AGREEMENT

                                                              EXHIBIT 99.1



                                    AGREEMENT


                  This will confirm the  agreement by and among the  undersigned
that the Schedule 13D dated  January 13, 1998,  with respect to the ownership of
Common Stock of Xxxx Security International,  Inc. by the Xxxxxxxxx Family Trust
under agreement  dated September 24, 1997 ("Trust") and the indirect  beneficial
ownership of such shares by the  undersigned as trustees of the Trust,  is filed
on behalf of each of us and the Trust.

Dated:  January 13, 1998


                                                     /s/ Xxxxx X. Xxxxxxxxx
                                                  -----------------------------
                                                     Xxxxx X. Xxxxxxxxx


                                                     /s/ Xxxxx Xxxxxxxxx
                                                  -----------------------------
                                                     Xxxxx Xxxxxxxxx


                                           XXXXXXXXX FAMILY TRUST
                                           Xxxxx and Xxxxx Xxxxxxxxx, Trustees
                                           UA DTD September 24, 1997


                                                 By: /s/ Xxxxx X. Xxxxxxxxx
                                             ----------------------------------
                                                  Xxxxx X. Xxxxxxxxx, Trustee


                                                 By: /s/ Xxxxx Xxxxxxxxx
                                             ----------------------------------
                                                  Xxxxx Xxxxxxxxx, Trustee

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