BRK 1010B Photoelectric Smoke Alarm 120V AC/DC w/Battery Backup

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BRK 1010B Photoelectric Smoke Alarm 120V AC/DC W/Battery, 52% OFF

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First Alert 9120LBL BRK Brands Hardwire Smoke Alarm with 10-Year Battery Backup

Width - digital readout no battery backup yeshush button yes locking pin yes operating temp. Photoelectric respond best to slow-smoldering fires. All interconnect units must interface directly with their own brand of interconnectable smoke and co alarms. 1xth3 and 5mpl0 feature voice that announces fire carbon monoxide and low battery warnings when detected.

First Alert Photoelectric Smoke And Carbon Monoxide Detector With Voice Alarm, 120 Volt Ac/Dc, White

Product: 4120 / 4120B / 4120SB