2-in-1 Universal Smoke Sensing Technology USST responds quickly to both fast-flaming and slow smoldering fires to protect your family against deadly threats in the home
120-volt AC hardwired alarm with 10 Year Permanent Power sealed backup battery is suitable for houses, apartments & mobile homes
Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
Fully interconnectable with all USI and Universal 120V battery drawer alarms using existing wiring and mounting