First Alert 1039787 Smoke & Carbon Monoxide Alarm With Voice & Location
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Battery-operated means constant monitoring, even if there's a power failure New open box item. Comes in original retail packaging. Box may show wear. Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by soldering fires, helps minimize the number of false alarms A loud 85-decibel alarm sounds when Carbon Monoxide and smoke levels begin to rise Features a sleek, low-profile design to blend more fully



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