First Alert Hardwired 120V Ionization Smoke Alarm

Hardwired smoke alarm featuring 10-year battery backup. Equipped with an ionization sensor, reliably detects smoke from fast flaming fires and alerts you with an 85-decibel alarm. Includes adapter plugs that eliminate the need for re-wiring during installation. Designed for easy accessibility with single button for testing and silencing, universal mounting bracket included for easy installation.