EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

      We consent to the incorporation by reference in the Registration Statement
of  Universal  Security  Instruments,  Inc.  and  subsidiaries  on Form S-8 (No.
333-81930 dated February 1, 2002) pertaining to the  Non-Qualified  Stock Option
Plan as Amended,  Registration  Statements on Form S-8 (No. 2-83323 dated May 4,
1983,  No.  33-6953  dated July 2, 1986,  No.  33-21226  dated  April 13,  1988)
pertaining  to the  Non-Qualified  Stock  Option  Plan  and in the  Registration
Statement on Form S-8 (No. 33-21225 dated April 13, 1988) pertaining to the 1988
Employee Stock Purchase Plan, of our report dated June 24, 2005, included in the
Annual Report of Universal Security  Instruments,  Inc. and subsidiaries on Form
10-K for the year ended March 31, 2005 filed with the  Securities  and  Exchange
Commission.

                                           GRANT THORNTON LLP

Baltimore, Maryland
June 29, 2005