First Alert - Ionization Smoke Sensor with Alarm - White
- Model: 0827B
- SKU: 5578284
Helps detect fast flaming fires.
Never needs to be changed for the life of the alarm.
Constant protection since battery cannot be removed.
Mutes unnecessary alarms immediately. Also tests alarm function.
Includes easy twist mount and hardware.
Notifies you when the alarm needs to be replaced.