First Alert SA710LCN Long Life Photoelectric Smoke Alarm with Silence

First Alert Model SA710LCN is state of the art smoke alarm to provide early warning of a fire. It features a photoelectric smoke sensing chamber for optimal sensing smoke particles produced in smoldering fires. Helps reduce false alarms like those caused by cooking smoke and shower steam. The First Alert SA710LCN also features an 85dB horn, a supervised 9-Volt Lithium battery power a single button test/silence switch, a silence feature to silence nuisance alarms, a red LED light indicates DC power or alarm.