<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>4
<FILENAME>sb2amnd2aug07ex232.txt
<DESCRIPTION>23.2
<TEXT>





                                  EXHIBIT 23.2





<PAGE>







            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



The undersigned, Schwartz Levitsky Feldman, llp, Chartered Accountants, hereby
consent to the use of our opinion dated February 20, 2007 on the financial
statements of Security Devices International, Inc. (the "Company") for the
fiscal year ended November 30, 2006, the nine-month period from inception to
November 30, 2005 and the period from inception to November 30, 2006 included in
the Registration Statement on Form SB-2 (Amendment No. 2) being filed by the
Company and the reference to us as Experts in the prospectus.



                                           "SCHWARTZ LEVITSKY FELDMAN LLP"



Toronto, Ontario, Canada                             Chartered Accountants
August 23, 2007                                Licensed Public Accountants










</TEXT>
</DOCUMENT>
