EXHIBIT 23.1


                        CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statements of
Mace Security International, Inc. on Form S-8 (Registration No. 333-31757, filed
on July 22, 1997) of our report dated September 18, 1999, with respect to the
financial statements of Innovative Control Systems, Inc. included in Mace
Security International, Inc.'s Current Report on Form 8-K dated July 9, 1999 (as
amended September 22, 1999 on Form 8-K/A), filed with the Securities and
Exchange Commission.


                              /s/  Daniel P. Irwin and Associates P.C.

Strafford - Wayne, Pennsylvania
September 22, 1999

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