First Alert Smoke Detector
First Alert Hardwired Smoke Detector
- Hardwired alarm includes battery backup for power outages.
- Photoelectric and ionization sensors provide comprehensive fire detection.
- A single button makes alarm easy to test monthly or silence during a false alarm.
- Dimensions: 5.7 x 5.7 x 2.4 inches.
Keep you family safe with America’s most trusted brand in home safety.