Smoke Detector

The Gentex SR photoelectric smoke alarm with relay is engineered to virtually eliminate nuisance alarms and deliver outstanding performance wherever reliable fire protection is required. 9V alkaline battery back-up ensures continued operation even during a power outage. ANSI/UL 217, ANSI/UL 2034 and ANSI/UL 539 listed and warranted for one year from date of purchase. Includes Form C dry contact to connect to external systems.