Smoke Detectors

2-wire and 4-wire smoke detector varieties can be used with any hardwired alarm system. 2-wire smokes use just two wires for data and power and must all be chained on the same run. 4-wire smokes use separate two wire pairs for power and zone data and can be separated on their own zones. All of the hardwire alarm system

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Includes 3 Individual Units, Bundle and save. The First Alert SA9120BPCN 120-Volt AC Smoke Alarm with Adapter Plugs helps protect your home and

3 Pack of First Alert Hardwired 120-Volt AC Smoke Alarms with Adapter Plugs

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Brk Hardwired Ionization Sensor Smoke Detector

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Battery Operated Wireless Interconnect Smoke Alarm RF-SM-DC

Protect your family with the Kidde 10 Year Worry-Free Smoke Detector, Lithium Battery Powered, Fire Alarm. The Kidde 10 Year Worry-Free Smoke

Kidde 10 Year Worry-Free Smoke Detector, Lithium Battery Powered, Smoke Alarm 21030869 - The Home Depot

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