Photoelectric Sensing Smoke Alarm
First Alert brand smoke alarm. Features include photoelectric patented smoke entry system, mute/silence button, end of life signal, power LED (light emitting diode) and alarm indicator. Slim design with nuisance free technology and half the size of a standard alarm. Wall or ceiling mount with easy slide mounting bracket. 85dB alarm. 9V battery included. 10 year limited warranty. UL listed.