About this item Keep your family safe with this talking hardwired smoke and carbon monoxide alarm Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarm Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected 10 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for your safety
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