Hardwired 120 V Ionization Smoke Detector with Battery Backup - White

Ensure the safety of your loved ones with the First Alert® 120 V hardwired smoke alarm, featuring a 9 V battery backup in case of power failure. It uses an ultra-reliable ionization sensor to detect fast-flaming fires at the earliest possible stage. A latching alarm indicator identifies which unit in an interconnected series triggered the alarm. It also includes a lockable battery compartment and alarm base, along with a single test/silence button. Ideal for apartments, dormitories, or hotel applications. Loud 85-decibel alarm. 10-year limited warranty.