3120B

First Alert 3120B Hardwire Dual Sensor Smoke Alarm with Battery Backup

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The First Alert Hardwired Dual Sensor Smoke Alarm with Battery Backup is designed to provide peace of mind. The photoelectric and ionization sensors alert you to both smoldering and fast-flaming fires, offering comprehensive detection and early warning. The 85-decibel fire alarm can also connect to other compatible hardwired fire detectors for larger spaces. Features: Photoelectric and ionization sensors provide comprehensive fire detection A single button makes alarm easy to test, or silence during a false alarm Hardwired alarm includes battery backup for detection during power outages Connect with other compatible hardwired alarms to create a safety network