Smoke Detector, Ionization Sensor, 120V AC, Wire-In, Size: 5.58" Diameter, 1.97" Depth, Color: White, Includes: 9V Battery Back-Up. For use with Single or Multiple Stations
- Diameter: 5 3/5 in
- Type: Ionization
- Volts AC: 120
- Mounting: Surface
- Depth: 2 in
- Color: White
- Type: Battery Backup