The First Alert 9120LBL hardwired smoke alarm with 10-year battery backup is equipped with an ionization sensor to reliably detect smoke from fast-flaming fires and alerts you with an 85 dB alarm. Included adapter plugs eliminate the need for re-wiring during installation and can easily replace non First Alert or BRK alarms. 10-Year battery backup battery ensures the alarm is working in case of a power outage and lasts the life of the alarm. Designed to maximize accessibility and ease of use, this hardwired smoke detector features a single button that allows you to test and silence the alarm. And thanks to the universal mounting bracket, this smoke alarm is easy to install.
10-Year battery backup means constant monitoring for the life of the alarm even during a power failure
Features an ionization smoke sensor
Single test/silence button
Adapter plugs included for simple installation when replacing other branded alarms
Smoke and CO alarms should be placed on every level and in every bedroom of the home
Tested to meet UL standards
10-Year limited warranty