Exhibit 24
POWER OF ATTORNEY
The undersigned, being a director of Detection Systems, Inc. (the "Company"),
hereby constitutes and appoints Karl H. Kostusiak, Frank J. Ryan, David B.
Lederer and Christopher P. Gerace, or any of them, his true and lawful attorneys
and agents, each with full power and authority to act as such without the other,
to sign the name of the undersigned to the Company's fiscal 2000 Annual Report
on Form 10-K, and any amendments thereto, filed with the Securities and Exchange
Commission under the Securities Exchange Act of 1934 and the related rules and
regulations thereunder, the undersigned hereby ratifying and confirming all that
said attorneys and agents, or any of them, shall do or cause to be done by
virtue hereof.
IN WITNESS WHEREOF, the undersigned have signed and delivered these presents as
of the date marked below.
May 24, 2000 /s/ Donald R. Adair
May 24, 2000 /s/ Mortimer B. Fuller
May 24, 2000 /s/ Edward C. McIrvine
May 30, 2000 /s/ David B. Lederer
