Firex 5'' Smoke Alarm Hardwired W/ AaÂ battery Back-Up

2 AA Replaceable Batteries provides power even during short-term power outages for extra peace of mind. Change replaceable batteries every 6 months, or when you hear the low battery chirp.
Enhanced sensing technology reduces false alarms often caused by cooking which results in fewer callbacks for contractors and builders.
Self-testing components continuously check to ensure the device is active and operating as expected, assuring contractors and builders that the occupants have constant detection. (Disclaimer: Self-testing is not a substitute for a weekly manual push test of the alarm.)
Simple and Fast Installation- With the included twist-and-click mounting bracket that's universal depending on pow

Kidde Kidde Firex 5'' Smoke Alarm Hardwired W/ AaÂ battery Back-Up