Kidde Smoke Detector Hardwired Smoke Alarm with Battery Backup Test-Silence Button
- Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.
- Protects during a power failure - smoke alarm operates on a 120V power source with 9V battery backup.
- Whole home family protection - place 1 fire detector on each level of your home & in your bedroom.
- Test-Hush Feature - silences the unit for approximately 7 minutes.