AC direct wire smoke alarm designed for 120V AC applications. Ionization sensing chamber detects fast-flaming fires. Quick-connect plug-in connector speeds installation and allows for fast detector removal. Unit has power-on LED. Interconnectable with other BRK electronics smoke alarms, BRK, First Alert, and heat alarms. Universal mounting bracket centers on any size electrical box up to 4" octagonal
120V AC wired-in smoke alarm with 9V battery back-up. Ionization sensor detects fast flaming fires. Battery compartment swings out, making battery installation easier and faster. Universal mounting bracket centers on any size electrical box up to 4" octagonal. Locking feature deters removal of battery. Silence button quiets alarm while occupants respond.