Battery Operated Smoke Alarm, Smoke/Fire, Ionization, 5 in Dia x 1-3/4 in Depth ORS NASCO A threaded attachment system secures

A threaded attachment system secures the disc to the holder

durability

lightweight design|Wraparound frame has a base curve of 8 that extends the range of peripheral protection

Hammer heads are hardened to precisely controlled temperatures for durability and strength|Wide-blade design removes slag faster and adds to the life of the tool|Drop forged

Rapid-curing

Battery Operated Smoke Alarm, Smoke/Fire, Ionization, 5 in Dia x 1-3/4 in Depth ORS NASCO A threaded attachment system securesTest buttonTests unit's electronic circuitry, horn and battery function Low battery indicatorSmoke alarm will chirp in the event of a low battery Red LEDFlashes every 30 40 seconds to indicate that the smoke alarm is receiving power Dust cover Battery operatedEasy installation and continuous protection even during power outages