<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!-- Compliance Xpressware Instance Document http://www.compliancexpressware.com/  -->
<!-- Version: 1.0.0 --><!-- Creation date:13:23:51 GMT-0500 -->
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<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" >
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2008-03-31.xsd#negated" roleURI="http://xbrl.us/us-gaap/role/label/negated"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2008-03-31.xsd#negatedTotal" roleURI="http://xbrl.us/us-gaap/role/label/negatedTotal"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2008-03-31.xsd#negatedPeriodStart" roleURI="http://xbrl.us/us-gaap/role/label/negatedPeriodStart"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2008-03-31.xsd#negatedPeriodEnd" roleURI="http://xbrl.us/us-gaap/role/label/negatedPeriodEnd"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>
  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_DocumentAndEntityInformationAbstract" xml:lang="en-US" id="label_sdev_DocumentAndEntityInformationAbstract_en-US">Document and Entity Information [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="label_sdev_DocumentAndEntityInformationAbstract" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_DocumentAndEntityInformationAbstract" xml:lang="en-US" id="documentation_sdev_DocumentAndEntityInformationAbstract_en-US">Document and Entity Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementTable" xml:lang="en-US" id="label_us-gaap_StatementTable_en-US">Statement [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementTable" xlink:to="label_us-gaap_StatementTable" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis" xlink:title="LegalEntityAxis"/>
    <link:label xlink:type="resource" xlink:label="label_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_LegalEntityAxis" xml:lang="en-US" id="label_dei_LegalEntityAxis_en-US">Legal Entity [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LegalEntityAxis" xlink:to="label_dei_LegalEntityAxis" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain" xlink:title="EntityDomain"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityDomain" xml:lang="en-US" id="label_dei_EntityDomain_en-US">Entity [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityDomain" xlink:to="label_dei_EntityDomain" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementLineItems" xml:lang="en-US" id="label_us-gaap_StatementLineItems_en-US">Statement [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementLineItems" xlink:to="label_us-gaap_StatementLineItems" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="DocumentType" xlink:title="DocumentType"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentType" xml:lang="en-US" id="label_dei_DocumentType_en-US">Document Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentType" xlink:to="label_dei_DocumentType" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="AmendmentFlag" xlink:title="AmendmentFlag"/>
    <link:label xlink:type="resource" xlink:label="label_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_AmendmentFlag" xml:lang="en-US" id="label_dei_AmendmentFlag_en-US">Amendment Flag</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentFlag" xlink:to="label_dei_AmendmentFlag" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentDescription" xlink:label="AmendmentDescription" xlink:title="AmendmentDescription"/>
    <link:label xlink:type="resource" xlink:label="label_dei_AmendmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_AmendmentDescription" xml:lang="en-US" id="label_dei_AmendmentDescription_en-US">Amendment Description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentDescription" xlink:to="label_dei_AmendmentDescription" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentPeriodEndDate" xml:lang="en-US" id="label_dei_DocumentPeriodEndDate_en-US">Document Period End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentPeriodEndDate" xlink:to="label_dei_DocumentPeriodEndDate" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_TradingSymbol" xlink:label="TradingSymbol" xlink:title="TradingSymbol"/>
    <link:label xlink:type="resource" xlink:label="label_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_TradingSymbol" xml:lang="en-US" id="label_dei_TradingSymbol_en-US">Trading Symbol</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradingSymbol" xlink:to="label_dei_TradingSymbol" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="EntityRegistrantName" xlink:title="EntityRegistrantName"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityRegistrantName" xml:lang="en-US" id="label_dei_EntityRegistrantName_en-US">Entity Registrant Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityRegistrantName" xlink:to="label_dei_EntityRegistrantName" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="EntityCentralIndexKey" xlink:title="EntityCentralIndexKey"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCentralIndexKey" xml:lang="en-US" id="label_dei_EntityCentralIndexKey_en-US">Entity Central Index Key</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCentralIndexKey" xlink:to="label_dei_EntityCentralIndexKey" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate"/>
    <link:label xlink:type="resource" xlink:label="label_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_CurrentFiscalYearEndDate" xml:lang="en-US" id="label_dei_CurrentFiscalYearEndDate_en-US">Current Fiscal Year End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentFiscalYearEndDate" xlink:to="label_dei_CurrentFiscalYearEndDate" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="EntityFilerCategory" xlink:title="EntityFilerCategory"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityFilerCategory" xml:lang="en-US" id="label_dei_EntityFilerCategory_en-US">Entity Filer Category</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityFilerCategory" xlink:to="label_dei_EntityFilerCategory" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US" id="label_dei_EntityCommonStockSharesOutstanding_en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCommonStockSharesOutstanding" xlink:to="label_dei_EntityCommonStockSharesOutstanding" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCurrentReportingStatus" xml:lang="en-US" id="label_dei_EntityCurrentReportingStatus_en-US">Entity Current Reporting Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCurrentReportingStatus" xlink:to="label_dei_EntityCurrentReportingStatus" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityVoluntaryFilers" xml:lang="en-US" id="label_dei_EntityVoluntaryFilers_en-US">Entity Voluntary Filers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityVoluntaryFilers" xlink:to="label_dei_EntityVoluntaryFilers" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityWellKnownSeasonedIssuer" xml:lang="en-US" id="label_dei_EntityWellKnownSeasonedIssuer_en-US">Entity Well Known Seasoned Issuer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityWellKnownSeasonedIssuer" xlink:to="label_dei_EntityWellKnownSeasonedIssuer" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:label="EntityPublicFloat" xlink:title="EntityPublicFloat"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityPublicFloat" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityPublicFloat" xml:lang="en-US" id="label_dei_EntityPublicFloat_en-US">Entity Public Float</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityPublicFloat" xlink:to="label_dei_EntityPublicFloat" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentFiscalYearFocus" xml:lang="en-US" id="label_dei_DocumentFiscalYearFocus_en-US">Document Fiscal Year Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalYearFocus" xlink:to="label_dei_DocumentFiscalYearFocus" use="optional" order="20" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentFiscalPeriodFocus" xml:lang="en-US" id="label_dei_DocumentFiscalPeriodFocus_en-US">Document Fiscal Period Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalPeriodFocus" xlink:to="label_dei_DocumentFiscalPeriodFocus" use="optional" order="21" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US" id="label_us-gaap_StatementOfFinancialPositionAbstract_en-US">Statement of Financial Position [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="label_us-gaap_StatementOfFinancialPositionAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetsAbstract" xml:lang="en-US" id="label_us-gaap_AssetsAbstract_en-US">ASSETS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="label_us-gaap_AssetsAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetsCurrentAbstract" xml:lang="en-US" id="label_us-gaap_AssetsCurrentAbstract_en-US">CURRENT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="label_us-gaap_AssetsCurrentAbstract" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Cash" xlink:label="Cash" xlink:title="Cash"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Cash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_Cash" xml:lang="en-US" id="label_us-gaap_Cash_en-US">Cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Cash" xlink:to="label_us-gaap_Cash" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCostsCurrent" xlink:label="DeferredCostsCurrent" xlink:title="DeferredCostsCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredCostsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DeferredCostsCurrent" xml:lang="en-US" id="label_us-gaap_DeferredCostsCurrent_en-US">Deferred costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredCostsCurrent" xlink:to="label_us-gaap_DeferredCostsCurrent" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFinanceCostsCurrentNet" xlink:label="DeferredFinanceCostsCurrentNet" xlink:title="DeferredFinanceCostsCurrentNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredFinanceCostsCurrentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DeferredFinanceCostsCurrentNet" xml:lang="en-US" id="label_us-gaap_DeferredFinanceCostsCurrentNet_en-US">Deferred financing costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredFinanceCostsCurrentNet" xlink:to="label_us-gaap_DeferredFinanceCostsCurrentNet" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="PrepaidExpenseAndOtherAssetsCurrent" xlink:title="PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xml:lang="en-US" id="label_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_en-US">Prepaid expenses and other receivables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="label_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_AssetsCurrent" xml:lang="en-US" id="totalLabel_us-gaap_AssetsCurrent_en-US">Total Current Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="label_us-gaap_AssetsCurrent" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentNet_en-US">Plant and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_us-gaap_PropertyPlantAndEquipmentNet" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_Assets" xml:lang="en-US" id="totalLabel_us-gaap_Assets_en-US">TOTAL ASSETS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="label_us-gaap_Assets" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="LiabilitiesAbstract" xlink:title="LiabilitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesAbstract_en-US">LIABILITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAbstract" xlink:to="label_us-gaap_LiabilitiesAbstract" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrentAbstract_en-US">CURRENT LIABILITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="label_us-gaap_LiabilitiesCurrentAbstract" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xml:lang="en-US" id="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_en-US">Accounts payable and accrued liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConvertibleDebtCurrent" xlink:label="ConvertibleDebtCurrent" xlink:title="ConvertibleDebtCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConvertibleDebtCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConvertibleDebtCurrent" xml:lang="en-US" id="label_us-gaap_ConvertibleDebtCurrent_en-US">Current portion of Convertible Debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleDebtCurrent" xlink:to="label_us-gaap_ConvertibleDebtCurrent" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_LiabilitiesCurrent" xml:lang="en-US" id="totalLabel_us-gaap_LiabilitiesCurrent_en-US">Total Current Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="label_us-gaap_LiabilitiesCurrent" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConvertibleDebtNoncurrent" xlink:label="ConvertibleDebtNoncurrent" xlink:title="ConvertibleDebtNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConvertibleDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConvertibleDebtNoncurrent" xml:lang="en-US" id="label_us-gaap_ConvertibleDebtNoncurrent_en-US">Convertible Debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleDebtNoncurrent" xlink:to="label_us-gaap_ConvertibleDebtNoncurrent" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_Liabilities" xml:lang="en-US" id="totalLabel_us-gaap_Liabilities_en-US">Total Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="label_us-gaap_Liabilities" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StockholdersEquityAbstract" xml:lang="en-US" id="label_us-gaap_StockholdersEquityAbstract_en-US">STOCKHOLDERS' DEFICIT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="label_us-gaap_StockholdersEquityAbstract" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalAbstract" xlink:label="CapitalAbstract" xlink:title="CapitalAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CapitalAbstract" xml:lang="en-US" id="label_us-gaap_CapitalAbstract_en-US">Capital Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalAbstract" xlink:to="label_us-gaap_CapitalAbstract" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PreferredStockValue" xml:lang="en-US" id="label_us-gaap_PreferredStockValue_en-US">Preferred stock, $0.001 par value, 5,000,000 shares authorized, Nil issued and outstanding (2011 - nil)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockValue" xlink:to="label_us-gaap_PreferredStockValue" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockValue" xml:lang="en-US" id="label_us-gaap_CommonStockValue_en-US">Common stock, $0.001 par value 50,000,000 shares authorized, 31,472,433 issued and outstanding (2011 -26,828,050 )</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockValue" xlink:to="label_us-gaap_CommonStockValue" use="optional" order="20" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="AdditionalPaidInCapital" xlink:title="AdditionalPaidInCapital"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AdditionalPaidInCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AdditionalPaidInCapital" xml:lang="en-US" id="label_us-gaap_AdditionalPaidInCapital_en-US">Additional Paid-In Capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapital" xlink:to="label_us-gaap_AdditionalPaidInCapital" use="optional" order="21" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage" xlink:label="DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage" xlink:title="DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:title="label_us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage" xml:lang="en-US" id="negated_us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage_en-US">Deficit Accumulated During the Development Stage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage" xlink:to="label_us-gaap_DevelopmentStageEnterpriseDeficitAccumulatedDuringDevelopmentStage" use="optional" order="22" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_StockholdersEquity" xml:lang="en-US" id="totalLabel_us-gaap_StockholdersEquity_en-US">Total Stockholders' Deficit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="label_us-gaap_StockholdersEquity" use="optional" order="23" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="totalLabel_us-gaap_LiabilitiesAndStockholdersEquity_en-US">TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="label_us-gaap_LiabilitiesAndStockholdersEquity" use="optional" order="24" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="PreferredStockParOrStatedValuePerShare" xlink:title="PreferredStockParOrStatedValuePerShare"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US" id="label_us-gaap_PreferredStockParOrStatedValuePerShare_en-US">Preferred Stock, Par Value Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockParOrStatedValuePerShare" xlink:to="label_us-gaap_PreferredStockParOrStatedValuePerShare" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="PreferredStockSharesAuthorized" xlink:title="PreferredStockSharesAuthorized"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US" id="label_us-gaap_PreferredStockSharesAuthorized_en-US">Preferred Stock, Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesAuthorized" xlink:to="label_us-gaap_PreferredStockSharesAuthorized" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="PreferredStockSharesIssued" xlink:title="PreferredStockSharesIssued"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PreferredStockSharesIssued" xml:lang="en-US" id="label_us-gaap_PreferredStockSharesIssued_en-US">Preferred Stock, Shares Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesIssued" xlink:to="label_us-gaap_PreferredStockSharesIssued" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="PreferredStockSharesOutstanding" xlink:title="PreferredStockSharesOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PreferredStockSharesOutstanding" xml:lang="en-US" id="label_us-gaap_PreferredStockSharesOutstanding_en-US">Preferred Stock, Shares Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesOutstanding" xlink:to="label_us-gaap_PreferredStockSharesOutstanding" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockParOrStatedValuePerShare" xml:lang="en-US" id="label_us-gaap_CommonStockParOrStatedValuePerShare_en-US">Common Stock, Par Value Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockParOrStatedValuePerShare" xlink:to="label_us-gaap_CommonStockParOrStatedValuePerShare" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="CommonStockSharesAuthorized" xlink:title="CommonStockSharesAuthorized"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockSharesAuthorized" xml:lang="en-US" id="label_us-gaap_CommonStockSharesAuthorized_en-US">Common Stock, Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesAuthorized" xlink:to="label_us-gaap_CommonStockSharesAuthorized" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued" xlink:title="CommonStockSharesIssued"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockSharesIssued" xml:lang="en-US" id="label_us-gaap_CommonStockSharesIssued_en-US">Common Stock, Shares, Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesIssued" xlink:to="label_us-gaap_CommonStockSharesIssued" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US" id="label_us-gaap_CommonStockSharesOutstanding_en-US">Common Stock, Shares, Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="label_us-gaap_CommonStockSharesOutstanding" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementAbstract" xlink:to="label_us-gaap_IncomeStatementAbstract" use="optional" order="1" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingExpensesAbstract" xml:lang="en-US" id="label_us-gaap_OperatingExpensesAbstract_en-US">EXPENSES:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpensesAbstract" xlink:to="label_us-gaap_OperatingExpensesAbstract" use="optional" order="1" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_sdev_ResearchAndProductDevelopmentCostRecovery" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_ResearchAndProductDevelopmentCostRecovery" xml:lang="en-US" id="verboseLabel_sdev_ResearchAndProductDevelopmentCostRecovery_en-US">Research and Product Development cost (recovery)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndProductDevelopmentCostRecovery" xlink:to="label_sdev_ResearchAndProductDevelopmentCostRecovery" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_ResearchAndProductDevelopmentCostRecovery" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_ResearchAndProductDevelopmentCostRecovery" xml:lang="en-US" id="documentation_sdev_ResearchAndProductDevelopmentCostRecovery_en-US">Research and Product Development cost (recovery)</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_DepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DepreciationAndAmortization" xml:lang="en-US" id="label_us-gaap_DepreciationAndAmortization_en-US">Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationAndAmortization" xlink:to="label_us-gaap_DepreciationAndAmortization" use="optional" order="3" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_GeneralAndAdministrativeExpense" xml:lang="en-US" id="label_us-gaap_GeneralAndAdministrativeExpense_en-US">General and administration</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAndAdministrativeExpense" xlink:to="label_us-gaap_GeneralAndAdministrativeExpense" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_OperatingExpenses" xml:lang="en-US" id="totalLabel_us-gaap_OperatingExpenses_en-US">TOTAL OPERATING EXPENSES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpenses" xlink:to="label_us-gaap_OperatingExpenses" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_OperatingIncomeLoss" xml:lang="en-US" id="totalLabel_us-gaap_OperatingIncomeLoss_en-US">LOSS FROM OPERATIONS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_us-gaap_OperatingIncomeLoss" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingExpense" xlink:label="OtherNonoperatingExpense" xlink:title="OtherNonoperatingExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherNonoperatingExpense" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:title="label_us-gaap_OtherNonoperatingExpense" xml:lang="en-US" id="negated_us-gaap_OtherNonoperatingExpense_en-US">Other expense-Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingExpense" xlink:to="label_us-gaap_OtherNonoperatingExpense" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="OtherNonoperatingIncome" xlink:title="OtherNonoperatingIncome"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherNonoperatingIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherNonoperatingIncome" xml:lang="en-US" id="label_us-gaap_OtherNonoperatingIncome_en-US">Other Income-Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncome" xlink:to="label_us-gaap_OtherNonoperatingIncome" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xml:lang="en-US" id="totalLabel_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_en-US">LOSS BEFORE INCOME TAXES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US" id="label_us-gaap_IncomeTaxExpenseBenefit_en-US">Income taxes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseBenefit" xlink:to="label_us-gaap_IncomeTaxExpenseBenefit" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="totalLabel_us-gaap_NetIncomeLoss_en-US">NET LOSS AND COMPREHENSIVE LOSS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="label_us-gaap_NetIncomeLoss" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_EarningsPerShareDiluted" xml:lang="en-US" id="label_us-gaap_EarningsPerShareDiluted_en-US">Loss per share - basic and diluted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareDiluted" xlink:to="label_us-gaap_EarningsPerShareDiluted" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US" id="label_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_en-US">Weighted average common shares outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="label_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US" id="label_us-gaap_StatementOfCashFlowsAbstract_en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfCashFlowsAbstract" xlink:to="label_us-gaap_StatementOfCashFlowsAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_en-US">CASH FLOWS FROM OPERATING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="terseLabel_us-gaap_NetIncomeLoss_en-US">Net loss for the period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_en-US">Items not requiring an outlay of cash:</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:title="IssuanceOfStockAndWarrantsForServicesOrClaims"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xml:lang="en-US" id="label_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_en-US">Issue of shares for services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:to="label_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensation" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensation_en-US">Stock based compensation for options and warrants (included in general and administration expenses)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensation" xlink:to="label_us-gaap_ShareBasedCompensation" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentDecreaseForgiveness" xlink:label="DebtInstrumentDecreaseForgiveness" xlink:title="DebtInstrumentDecreaseForgiveness"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentDecreaseForgiveness" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentDecreaseForgiveness" xml:lang="en-US" id="label_us-gaap_DebtInstrumentDecreaseForgiveness_en-US">Recovery of accounts payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentDecreaseForgiveness" xlink:to="label_us-gaap_DebtInstrumentDecreaseForgiveness" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_LossOnCancellationOfCommonStock" xlink:label="LossOnCancellationOfCommonStock" xlink:title="LossOnCancellationOfCommonStock"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_LossOnCancellationOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_LossOnCancellationOfCommonStock" xml:lang="en-US" id="verboseLabel_sdev_LossOnCancellationOfCommonStock_en-US">Loss on cancellation of common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossOnCancellationOfCommonStock" xlink:to="label_sdev_LossOnCancellationOfCommonStock" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_LossOnCancellationOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_LossOnCancellationOfCommonStock" xml:lang="en-US" id="documentation_sdev_LossOnCancellationOfCommonStock_en-US">Loss on cancellation of common stock</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DepreciationAndAmortization" xml:lang="en-US" id="terseLabel_us-gaap_DepreciationAndAmortization_en-US">Amortization of plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="AmortizationOfDebtDiscountPremium" xlink:title="AmortizationOfDebtDiscountPremium"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AmortizationOfDebtDiscountPremium" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AmortizationOfDebtDiscountPremium" xml:lang="en-US" id="label_us-gaap_AmortizationOfDebtDiscountPremium_en-US">Amortization of debt discount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationOfDebtDiscountPremium" xlink:to="label_us-gaap_AmortizationOfDebtDiscountPremium" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="AmortizationOfFinancingCosts" xlink:title="AmortizationOfFinancingCosts"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AmortizationOfFinancingCosts" xml:lang="en-US" id="label_us-gaap_AmortizationOfFinancingCosts_en-US">Amortization of deferred financing cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationOfFinancingCosts" xlink:to="label_us-gaap_AmortizationOfFinancingCosts" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_en-US">Changes in non-cash working capital:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:title="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="label_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" use="optional" order="12" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInDeferredCharges" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:title="label_us-gaap_IncreaseDecreaseInDeferredCharges" xml:lang="en-US" id="negated_us-gaap_IncreaseDecreaseInDeferredCharges_en-US">Deferred costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInDeferredCharges" xlink:to="label_us-gaap_IncreaseDecreaseInDeferredCharges" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US" id="terseLabel_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_en-US">Accounts payable and accrued liabilities*</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US" id="totalLabel_us-gaap_NetCashProvidedByUsedInOperatingActivities_en-US">NET CASH USED IN OPERATING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" use="optional" order="15" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_en-US">CASH FLOWS FROM INVESTING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:title="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US" id="negated_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_en-US">Acquisition of Plant and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US" id="totalLabel_us-gaap_NetCashProvidedByUsedInInvestingActivities_en-US">NET CASH USED IN INVESTING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_en-US">CASH FLOWS FROM FINANCING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US" id="label_us-gaap_ProceedsFromIssuanceOfCommonStock_en-US">Net Proceeds from issuance of common shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfCommonStock" xlink:to="label_us-gaap_ProceedsFromIssuanceOfCommonStock" use="optional" order="20" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromConvertibleDebt" xlink:label="ProceedsFromConvertibleDebt" xlink:title="ProceedsFromConvertibleDebt"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromConvertibleDebt" xml:lang="en-US" id="label_us-gaap_ProceedsFromConvertibleDebt_en-US">Proceeds from convertible debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromConvertibleDebt" xlink:to="label_us-gaap_ProceedsFromConvertibleDebt" use="optional" order="21" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_CancellationOfCommonStock" xlink:label="CancellationOfCommonStock" xlink:title="CancellationOfCommonStock"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfCommonStock" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:title="label_sdev_CancellationOfCommonStock" xml:lang="en-US" id="negated_sdev_CancellationOfCommonStock_en-US">Cancellation of common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CancellationOfCommonStock" xlink:to="label_sdev_CancellationOfCommonStock" use="optional" order="22" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_CancellationOfCommonStock" xml:lang="en-US" id="documentation_sdev_CancellationOfCommonStock_en-US">Cancellation of common stock</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="ProceedsFromStockOptionsExercised" xlink:title="ProceedsFromStockOptionsExercised"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US" id="label_us-gaap_ProceedsFromStockOptionsExercised_en-US">Exercise of stock options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromStockOptionsExercised" xlink:to="label_us-gaap_ProceedsFromStockOptionsExercised" use="optional" order="23" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US" id="totalLabel_us-gaap_NetCashProvidedByUsedInFinancingActivities_en-US">NET CASH PROVIDED BY FINANCING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="label_us-gaap_NetCashProvidedByUsedInFinancingActivities" use="optional" order="24" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US" id="totalLabel_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_en-US">NET INCREASE (DECREASE) IN CASH FOR THE YEAR</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" use="optional" order="25" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Cash" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_us-gaap_Cash" xml:lang="en-US" id="periodStartLabel_us-gaap_Cash_en-US">Cash, beginning of Year</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Cash" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_Cash" xml:lang="en-US" id="periodEndLabel_us-gaap_Cash_en-US">CASH, END OF YEAR</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SupplementalCashFlowInformationAbstract" xml:lang="en-US" id="label_us-gaap_SupplementalCashFlowInformationAbstract_en-US">SUPPLEMENTAL INFORMATION:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SupplementalCashFlowInformationAbstract" xlink:to="label_us-gaap_SupplementalCashFlowInformationAbstract" use="optional" order="28" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeTaxesPaid" xml:lang="en-US" id="label_us-gaap_IncomeTaxesPaid_en-US">INCOME TAXES PAID</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxesPaid" xlink:to="label_us-gaap_IncomeTaxesPaid" use="optional" order="29" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:label="InterestPaid" xlink:title="InterestPaid"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InterestPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InterestPaid" xml:lang="en-US" id="label_us-gaap_InterestPaid_en-US">INTEREST PAID</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestPaid" xlink:to="label_us-gaap_InterestPaid" use="optional" order="30" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US" id="label_us-gaap_StatementEquityComponentsAxis_en-US">Statement, Equity Components [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementEquityComponentsAxis" xlink:to="label_us-gaap_StatementEquityComponentsAxis" use="optional" order="1" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_EquityComponentDomain" xml:lang="en-US" id="label_us-gaap_EquityComponentDomain_en-US">Statement, Equity Components [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityComponentDomain" xlink:to="label_us-gaap_EquityComponentDomain" use="optional" order="1" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockMember" xml:lang="en-US" id="label_us-gaap_CommonStockMember_en-US">Common Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockMember" xlink:to="label_us-gaap_CommonStockMember" use="optional" order="2" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US" id="label_us-gaap_AdditionalPaidInCapitalMember_en-US">Additional Paid-In Capital [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapitalMember" xlink:to="label_us-gaap_AdditionalPaidInCapitalMember" use="optional" order="3" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_sdev_DeficitAccumulatedDuringDevelopmentStageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_DeficitAccumulatedDuringDevelopmentStageMember" xml:lang="en-US" id="label_sdev_DeficitAccumulatedDuringDevelopmentStageMember_en-US">Deficit Accumulated During Development Stage [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeficitAccumulatedDuringDevelopmentStageMember" xlink:to="label_sdev_DeficitAccumulatedDuringDevelopmentStageMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_DeficitAccumulatedDuringDevelopmentStageMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_DeficitAccumulatedDuringDevelopmentStageMember" xml:lang="en-US" id="documentation_sdev_DeficitAccumulatedDuringDevelopmentStageMember_en-US">Deficit Accumulated During Development Stage [Member]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="label_us-gaap_StatementOfStockholdersEquityAbstract" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_us-gaap_StockholdersEquity" xml:lang="en-US" id="periodStartLabel_us-gaap_StockholdersEquity_en-US">Beginning Balance</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesIssued" xlink:to="label_us-gaap_SharesIssued" use="optional" order="1.1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharesIssued" xml:lang="en-US" id="label_us-gaap_SharesIssued_en-US">Shares Issued (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForProfessionalServices" xlink:label="IssuanceOfCommonSharesForProfessionalServices" xlink:title="IssuanceOfCommonSharesForProfessionalServices"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForProfessionalServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForProfessionalServices" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForProfessionalServices_en-US">Issuance of Common shares for professional services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForProfessionalServices" xlink:to="label_sdev_IssuanceOfCommonSharesForProfessionalServices" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForProfessionalServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForProfessionalServices" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForProfessionalServices_en-US">Issuance of Common shares for professional services</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xlink:label="IssuanceOfCommonSharesForProfessionalServicesShares" xlink:title="IssuanceOfCommonSharesForProfessionalServicesShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForProfessionalServicesShares_en-US">Issuance of Common shares for professional services (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForProfessionalServicesShares" xlink:to="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForProfessionalServicesShares_en-US">Issuance of Common shares for professional services (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCash" xlink:label="IssuanceOfCommonSharesForCash" xlink:title="IssuanceOfCommonSharesForCash"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCash" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCash" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCash_en-US">Issuance of common shares for cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCash" xlink:to="label_sdev_IssuanceOfCommonSharesForCash" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCash" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCash" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCash_en-US">Issuance of common shares for cash</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashShares" xlink:label="IssuanceOfCommonSharesForCashShares" xlink:title="IssuanceOfCommonSharesForCashShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashShares_en-US">Issuance of common shares for cash (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCashShares" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashShares_en-US">Issuance of common shares for cash (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashTwo" xlink:label="IssuanceOfCommonSharesForCashTwo" xlink:title="IssuanceOfCommonSharesForCashTwo"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashTwo" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashTwo" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashTwo_en-US">Issuance of Common Shares for cash 2</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashTwo" xlink:to="label_sdev_IssuanceOfCommonSharesForCashTwo" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashTwo" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashTwo_en-US">Issuance of Common Shares for cash</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashTwoShares" xlink:label="IssuanceOfCommonSharesForCashTwoShares" xlink:title="IssuanceOfCommonSharesForCashTwoShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashTwoShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashTwoShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashTwoShares_en-US">Issuance of Common Shares for cash 2 (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashTwoShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCashTwoShares" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashTwoShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashTwoShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashTwoShares_en-US">Issuance of Common Shares for cash 2 (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesToConsultantForServices" xlink:label="IssuanceOfCommonSharesToConsultantForServices" xlink:title="IssuanceOfCommonSharesToConsultantForServices"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesToConsultantForServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesToConsultantForServices" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesToConsultantForServices_en-US">Issuance of common shares to consultant for services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesToConsultantForServices" xlink:to="label_sdev_IssuanceOfCommonSharesToConsultantForServices" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesToConsultantForServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesToConsultantForServices" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesToConsultantForServices_en-US">Issuance of common shares to consultant for services</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesToConsultantForServicesShares" xlink:label="IssuanceOfCommonSharesToConsultantForServicesShares" xlink:title="IssuanceOfCommonSharesToConsultantForServicesShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesToConsultantForServicesShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesToConsultantForServicesShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesToConsultantForServicesShares_en-US">Issuance of common shares to consultant for services (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesToConsultantForServicesShares" xlink:to="label_sdev_IssuanceOfCommonSharesToConsultantForServicesShares" use="optional" order="9" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesToConsultantForServicesShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesToConsultantForServicesShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesToConsultantForServicesShares_en-US">Issuance of common shares to consultant for services (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashThree" xlink:label="IssuanceOfCommonSharesForCashThree" xlink:title="IssuanceOfCommonSharesForCashThree"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashThree" xml:lang="en-US" id="terseLabel_sdev_IssuanceOfCommonSharesForCashThree_en-US">Issuance of Common Shares for Cash 3</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashThree" xlink:to="label_sdev_IssuanceOfCommonSharesForCashThree" use="optional" order="10" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashThree" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashThree" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashThree_en-US">Issuance of Common Shares for Cash</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashThreeShares" xlink:label="IssuanceOfCommonSharesForCashThreeShares" xlink:title="IssuanceOfCommonSharesForCashThreeShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashThreeShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashThreeShares" xml:lang="en-US" id="terseLabel_sdev_IssuanceOfCommonSharesForCashThreeShares_en-US">Issuance of Common Shares for Cash 3 (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashThreeShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCashThreeShares" use="optional" order="11" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashThreeShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashThreeShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashThreeShares_en-US">Issuance of Common Shares for Cash 3 (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:title="StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_en-US">Exercise of stock options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="label_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_en-US">Exercise of stock options (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="label_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" use="optional" order="12.1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission" xlink:label="IssuanceOfCommonSharesForCashNetOfAgentCommission" xlink:title="IssuanceOfCommonSharesForCashNetOfAgentCommission"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission_en-US">Issuance of common shares for cash (net of agent commission)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashNetOfAgentCommission" xlink:to="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission" use="optional" order="14" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommission_en-US">Issuance of common shares for cash (net of agent commission)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xlink:label="IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xlink:title="IssuanceOfCommonSharesForCashNetOfAgentCommissionShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares_en-US">Issuance of common shares for cash (net of agent commission) (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" use="optional" order="15" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares_en-US">Issuance of common shares for cash (net of agent commission) (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_StockSubscriptionsReceived" xlink:label="StockSubscriptionsReceived" xlink:title="StockSubscriptionsReceived"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_StockSubscriptionsReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_sdev_StockSubscriptionsReceived" xml:lang="en-US" id="terseLabel_sdev_StockSubscriptionsReceived_en-US">Stock subscriptions received</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockSubscriptionsReceived" xlink:to="label_sdev_StockSubscriptionsReceived" use="optional" order="16" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_StockSubscriptionsReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_StockSubscriptionsReceived" xml:lang="en-US" id="documentation_sdev_StockSubscriptionsReceived_en-US">Stock subscriptions received</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForStock" xlink:label="IssuanceOfCommonSharesForStock" xlink:title="IssuanceOfCommonSharesForStock"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForStock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForStock" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForStock_en-US">Issuance of common shares for stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForStock" xlink:to="label_sdev_IssuanceOfCommonSharesForStock" use="optional" order="17" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForStock" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForStock_en-US">Issuance of common shares for stock</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForStockShares" xlink:label="IssuanceOfCommonSharesForStockShares" xlink:title="IssuanceOfCommonSharesForStockShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForStockShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForStockShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForStockShares_en-US">Issuance of common shares for stock (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForStockShares" xlink:to="label_sdev_IssuanceOfCommonSharesForStockShares" use="optional" order="18" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForStockShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForStockShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForStockShares_en-US">Issuance of common shares for stock (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_SubscriptionsReceivedInPriorYear" xlink:label="SubscriptionsReceivedInPriorYear" xlink:title="SubscriptionsReceivedInPriorYear"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_SubscriptionsReceivedInPriorYear" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_SubscriptionsReceivedInPriorYear" xml:lang="en-US" id="verboseLabel_sdev_SubscriptionsReceivedInPriorYear_en-US">Subscriptions received in prior year</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubscriptionsReceivedInPriorYear" xlink:to="label_sdev_SubscriptionsReceivedInPriorYear" use="optional" order="19" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_SubscriptionsReceivedInPriorYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_SubscriptionsReceivedInPriorYear" xml:lang="en-US" id="documentation_sdev_SubscriptionsReceivedInPriorYear_en-US">Subscriptions received in prior year</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_SubscriptionsReceivedInPriorYearShares" xlink:label="SubscriptionsReceivedInPriorYearShares" xlink:title="SubscriptionsReceivedInPriorYearShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_SubscriptionsReceivedInPriorYearShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_SubscriptionsReceivedInPriorYearShares" xml:lang="en-US" id="verboseLabel_sdev_SubscriptionsReceivedInPriorYearShares_en-US">Subscriptions received in prior year (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubscriptionsReceivedInPriorYearShares" xlink:to="label_sdev_SubscriptionsReceivedInPriorYearShares" use="optional" order="20" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_SubscriptionsReceivedInPriorYearShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_SubscriptionsReceivedInPriorYearShares" xml:lang="en-US" id="documentation_sdev_SubscriptionsReceivedInPriorYearShares_en-US">Subscriptions received in prior year (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashAndServices" xlink:label="IssuanceOfCommonSharesForCashAndServices" xlink:title="IssuanceOfCommonSharesForCashAndServices"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashAndServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashAndServices" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashAndServices_en-US">Issuance of common shares for cash and services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashAndServices" xlink:to="label_sdev_IssuanceOfCommonSharesForCashAndServices" use="optional" order="21" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashAndServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashAndServices" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashAndServices_en-US">Issuance of common shares for cash and services</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashAndServicesShares" xlink:label="IssuanceOfCommonSharesForCashAndServicesShares" xlink:title="IssuanceOfCommonSharesForCashAndServicesShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashAndServicesShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashAndServicesShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashAndServicesShares_en-US">Issuance of common shares for cash and services (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashAndServicesShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCashAndServicesShares" use="optional" order="22" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashAndServicesShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashAndServicesShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashAndServicesShares_en-US">Issuance of common shares for cash and services (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashNetOfExpenses" xlink:label="IssuanceOfCommonSharesForCashNetOfExpenses" xlink:title="IssuanceOfCommonSharesForCashNetOfExpenses"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfExpenses" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfExpenses" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashNetOfExpenses_en-US">Issuance of common shares for cash (net of expenses)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashNetOfExpenses" xlink:to="label_sdev_IssuanceOfCommonSharesForCashNetOfExpenses" use="optional" order="23" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfExpenses" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashNetOfExpenses_en-US">Issuance of common shares for cash (net of expenses)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xlink:label="IssuanceOfCommonSharesForCashNetOfExpensesShares" xlink:title="IssuanceOfCommonSharesForCashNetOfExpensesShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares_en-US">Issuance of common shares for cash (net of expenses) (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCashNetOfExpensesShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" use="optional" order="24" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares_en-US">Issuance of common shares for cash (net of expenses) (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_CancellationOfStock" xlink:label="CancellationOfStock" xlink:title="CancellationOfStock"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfStock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_CancellationOfStock" xml:lang="en-US" id="verboseLabel_sdev_CancellationOfStock_en-US">Cancellation of stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CancellationOfStock" xlink:to="label_sdev_CancellationOfStock" use="optional" order="25" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_CancellationOfStock" xml:lang="en-US" id="documentation_sdev_CancellationOfStock_en-US">Cancellation of stock</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_CancellationOfStockShares" xlink:label="CancellationOfStockShares" xlink:title="CancellationOfStockShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfStockShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_CancellationOfStockShares" xml:lang="en-US" id="verboseLabel_sdev_CancellationOfStockShares_en-US">Cancellation of stock (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CancellationOfStockShares" xlink:to="label_sdev_CancellationOfStockShares" use="optional" order="26" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfStockShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_CancellationOfStockShares" xml:lang="en-US" id="documentation_sdev_CancellationOfStockShares_en-US">Cancellation of stock (Shares)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ShareBasedCompensation" xml:lang="en-US" id="terseLabel_us-gaap_ShareBasedCompensation_en-US">Stock based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfWarrants" xlink:label="ProceedsFromIssuanceOfWarrants" xlink:title="ProceedsFromIssuanceOfWarrants"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromIssuanceOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ProceedsFromIssuanceOfWarrants" xml:lang="en-US" id="terseLabel_us-gaap_ProceedsFromIssuanceOfWarrants_en-US">Issue of warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfWarrants" xlink:to="label_us-gaap_ProceedsFromIssuanceOfWarrants" use="optional" order="28" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_CompensationExpenseForWarrants" xlink:label="CompensationExpenseForWarrants" xlink:title="CompensationExpenseForWarrants"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CompensationExpenseForWarrants" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_CompensationExpenseForWarrants" xml:lang="en-US" id="verboseLabel_sdev_CompensationExpenseForWarrants_en-US">Compensation expense for warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationExpenseForWarrants" xlink:to="label_sdev_CompensationExpenseForWarrants" use="optional" order="29" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_CompensationExpenseForWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_CompensationExpenseForWarrants" xml:lang="en-US" id="documentation_sdev_CompensationExpenseForWarrants_en-US">Compensation expense for warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForServices" xlink:label="IssuanceOfCommonSharesForServices" xlink:title="IssuanceOfCommonSharesForServices"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForServices" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForServices_en-US">Issuance of common shares For services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForServices" xlink:to="label_sdev_IssuanceOfCommonSharesForServices" use="optional" order="30" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForServices" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForServices_en-US">Issuance of common shares For services</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForServicesShares" xlink:label="IssuanceOfCommonSharesForServicesShares" xlink:title="IssuanceOfCommonSharesForServicesShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForServicesShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForServicesShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForServicesShares_en-US">Issuance of common shares For services (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForServicesShares" xlink:to="label_sdev_IssuanceOfCommonSharesForServicesShares" use="optional" order="31" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForServicesShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForServicesShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForServicesShares_en-US">Issuance of common shares For services (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xlink:label="IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xlink:title="IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear_en-US">Issuance of common shares for Common shares issued for stock subscriptions received in prior year</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xlink:to="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" use="optional" order="32" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYear_en-US">Issuance of common shares for Common shares issued for stock subscriptions received in prior year</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xlink:label="IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xlink:title="IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xml:lang="en-US" id="verboseLabel_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares_en-US">Issuance of common shares for Common shares issued for stock subscriptions received in prior year (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xlink:to="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" use="optional" order="33" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares" xml:lang="en-US" id="documentation_sdev_IssuanceOfCommonSharesForCommonSharesIssuedForStockSubscriptionsReceivedInPriorYearShares_en-US">Issuance of common shares for Common shares issued for stock subscriptions received in prior year (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:label="DebtInstrumentConvertibleBeneficialConversionFeature" xlink:title="DebtInstrumentConvertibleBeneficialConversionFeature"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xml:lang="en-US" id="terseLabel_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature_en-US">Beneficial conversion feature on Convertible debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentConvertibleBeneficialConversionFeature" xlink:to="label_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" use="optional" order="34" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:title="StockIssuedDuringPeriodValueConversionOfConvertibleSecurities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_en-US">Conversion of convertible debt to common shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:to="label_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" use="optional" order="35" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:title="StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_en-US">Conversion of convertible debt to common shares (Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:to="label_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" use="optional" order="35.1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="verboseLabel_us-gaap_NetIncomeLoss_en-US">Net loss for the year</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_StockholdersEquity" xml:lang="en-US" id="periodEndLabel_us-gaap_StockholdersEquity_en-US">Ending Balance</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_SharesIssued" xml:lang="en-US" id="periodEndLabel_us-gaap_SharesIssued_en-US">Ending Balance (Shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_NotesToFinancialStatementsAbstract" xlink:label="NotesToFinancialStatementsAbstract" xlink:title="NotesToFinancialStatementsAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_NotesToFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_NotesToFinancialStatementsAbstract" xml:lang="en-US" id="label_sdev_NotesToFinancialStatementsAbstract_en-US">Notes to Financial Statements [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesToFinancialStatementsAbstract" xlink:to="label_sdev_NotesToFinancialStatementsAbstract" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_sdev_NotesToFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_NotesToFinancialStatementsAbstract" xml:lang="en-US" id="documentation_sdev_NotesToFinancialStatementsAbstract_en-US">Notes to Financial Statements [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BasisOfAccounting" xlink:label="BasisOfAccounting" xlink:title="BasisOfAccounting"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BasisOfAccounting" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BasisOfAccounting" xml:lang="en-US" id="label_us-gaap_BasisOfAccounting_en-US">BASIS OF PRESENTATION [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasisOfAccounting" xlink:to="label_us-gaap_BasisOfAccounting" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="NatureOfOperations" xlink:title="NatureOfOperations"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NatureOfOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NatureOfOperations" xml:lang="en-US" id="label_us-gaap_NatureOfOperations_en-US">NATURE OF OPERATIONS AND GOING CONCERN [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="label_us-gaap_NatureOfOperations" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="SignificantAccountingPoliciesTextBlock" xlink:title="SignificantAccountingPoliciesTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SignificantAccountingPoliciesTextBlock" xml:lang="en-US" id="label_us-gaap_SignificantAccountingPoliciesTextBlock_en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantAccountingPoliciesTextBlock" xlink:to="label_us-gaap_SignificantAccountingPoliciesTextBlock" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:label="AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:title="AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock"/>
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    <link:label xlink:type="resource" xlink:label="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivePTKTNryqTcZp" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivePTKTNryqTcZp" xml:lang="en-US" id="documentation_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivePTKTNryqTcZp_en-US">Related Party Transactions 2</link:label>
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    <link:label xlink:type="resource" xlink:label="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivewThreeRtxWKdhFiveMl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivewThreeRtxWKdhFiveMl" xml:lang="en-US" id="documentation_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivewThreeRtxWKdhFiveMl_en-US">Related Party Transactions 3</link:label>
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    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivegNineJWSTwoSixvqKTNine" xlink:label="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivegNineJWSTwoSixvqKTNine" xlink:title="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivegNineJWSTwoSixvqKTNine"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivegNineJWSTwoSixvqKTNine" xlink:to="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivegNineJWSTwoSixvqKTNine" use="optional" order="7" xlink:title=""/>
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    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivepFyNineWhNgTtGh" xlink:label="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivepFyNineWhNgTtGh" xlink:title="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivepFyNineWhNgTtGh"/>
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    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivebNinewEightPZeroHrnNTm" xlink:label="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivebNinewEightPZeroHrnNTm" xlink:title="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivebNinewEightPZeroHrnNTm"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivebNinewEightPZeroHrnNTm" xlink:to="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFivebNinewEightPZeroHrnNTm" use="optional" order="9" xlink:title=""/>
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    <link:loc xlink:type="locator" xlink:href="sdev-20121130.xsd#sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero" xlink:label="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero" xlink:title="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero"/>
    <link:label xlink:type="resource" xlink:label="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero" xml:lang="en-US" id="verboseLabel_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero_en-US">Related Party Transactions 10</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero" xlink:to="label_sdev_RelatedPartyTransactionsZeroOneTwoOneSixOneSixThreeFiveNineNinerZerofHlStkmZero" use="optional" order="10" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares" xml:lang="en-US" id="label_sdev_IssuanceOfCommonSharesForProfessionalServicesShares_en-US">Issuance Of Common Shares For Professional Services Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_IssuanceOfCommonSharesForCash" xml:lang="en-US" id="label_sdev_IssuanceOfCommonSharesForCash_en-US">Issuance Of Common Shares For Cash</link:label>
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    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares" xml:lang="en-US" id="label_sdev_IssuanceOfCommonSharesForCashNetOfAgentCommissionShares_en-US">Issuance Of Common Shares For Cash Net Of Agent Commission Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_sdev_StockSubscriptionsReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_StockSubscriptionsReceived" xml:lang="en-US" id="label_sdev_StockSubscriptionsReceived_en-US">Stock Subscriptions Received</link:label>
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    <link:label xlink:type="resource" xlink:label="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares" xml:lang="en-US" id="label_sdev_IssuanceOfCommonSharesForCashNetOfExpensesShares_en-US">Issuance Of Common Shares For Cash Net Of Expenses Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_sdev_CancellationOfStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_sdev_CancellationOfStock" xml:lang="en-US" id="label_sdev_CancellationOfStock_en-US">Cancellation Of Stock</link:label>
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