SECTION 906 CERTIFICATION:


                                                                    EXHIBIT 32.2


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                               ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


Certification of Principal Financial Officer

In  connection  with  the Quarterly Report of Sentry Technology Corporation (the
"Company")  on  Form 10-QSB for the period ended June 30, 2007 as filed with the
Securities  and Exchange Commission on the date hereof (the Report"), I, Joan E.
Miller, Principal Financial Officer of the Company, certify, pursuant to Section
18  U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002,  that,  to  my  knowledge:

     (1)  The  Report  fully complies with the requirements of Section 13(a) and
          15(d)  of  the  Securities  Exchange  Act  of  1934;  and

     (2)  The  information  contained  in  the  Report  fairly  presents, in all
          material  respects,  the financial condition and results of operations
          of  the  Company.


                                    /s/ JOAN E. MILLER
                                    ------------------------------

                                    Joan E. Miller
                                    Vice President -Finance and Treasurer
                                    (Principal Financial and Accounting Officer)

                                    August 14, 2007


A  signed  original  of this written statement required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears  in  typed  form  within  the  electronic  version  of  this     written
statement  required by Section 906, has been provided to the Company and will be
retained  by the Company and furnished to the Securities and Exchange Commission
or  its  staff  upon  request.

This  certification  accompanies  this Report on Form 10-QSB pursuant to Section
906  of  the  Sarbanes-Oxley  Act  of  2002  and shall not, except to the extent
required  by such Act, be deemed filed by the Company for purposes of Section 18
of  the Securities Exchange Act of 1934, as amended  (the "Exchange Act").  Such
certification will not be deemed to be incorporated by reference into any filing
under the Securities Act of 1933, as amended, or the Exchange Act, except to the
extent  that  the  Company  specifically  incorporates  it  by  reference.