First Alert SA710CN Photo Electric Smoke Detector

Photoelectric sensing technology. Silence /Test button. Silence or test alarm functions. Ideal for cooking areas. Reduces unwanted alarms. Side battery drawer. Slides open for easy battery replacement. Blinking power indicator. Confirms unit is receiving power. Missing battery guard. Drawer resists closing unless battery is inside. Tamper resistant. Optional pin to lock battery unit in place. Additional Features. Loud 85-decibel 9V battery included.