First Alert CO5120BN Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical Sensor, Ceiling/Wall 5-Plus Nantucket mist mimics the look

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First Alert CO5120BN Carbon Monoxide Alarm, 10 ft, 85 dB, Alarm: Audible, Electrochemical Sensor, Ceiling/Wall 5-Plus Nantucket mist mimics the lookThis First Alert hardwired carbon monoxide alarm with battery back up meets codes where CO alarms are required for new construction. installation is seamless with the use of a quick plug in power connector. additional features such as a microprocessor that limits nuisance alarms and a single test silence button add versatility to an already efficient carbon monoxide alarm.