Sentinel Battery Operated Smoke Detector With Ionization Sensor
- Sentinel Battery Operated Smoke Detector With Ionization Sensor
- Battery operated (9-Volt battery included) easy installation and provides continuous protection even during power outages
- Test button tests unit is electronic circuitry, horn and battery function
- Low battery indicator low battery warning chirp alerts user to change battery
- Discreet design 4 in. diameter
- Mfg #21009474
