best deal BRK SC9120B Smoke and Carbon Monoxide Combination Alarms Lot of 8

Buy BRK SC9120B Smoke and Carbon Monoxide Combination Alarms Lot of 8

Amazon: Customer Reviews: First Alert SC9120B Hardwire 4 stars. "Definitely an upgrade -- and a simple swap, too!" Our house was wired for smoke detectors -- specifically the rather cheesy BRK 4120SB, which delights in

SC9120B
120V AC/DC Smoke/CO Combo Alarm

Hardwired ionization/CO combination alarm meets new construction requirements.

BRK SC9120B Smoke and Carbon Monoxide Combination Alarms Lot of 8

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BRK SC9120B Smoke and Carbon Monoxide Features :

• » Electrochemical Carbon Monoxide Sensor - the most accurate sensor available as compared to other sensing technologies» Single button test/silence» 9V Alkaline Battery Backup» 7-Years Limited Warranty
• » Latching alarm indicator - remembers which unit initiated an alarm» Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
• » End of Life Signal provides audible notification alarms needs to be replaced» Intelligent Sensing TechnologyTM helps reduce the number of nuisance alarms
• » Easy Installation/Maintenance - Preferred features include a large » Perfect Mount - allows for easy alignment of alarmopening in the mounting bracket for easy access to wiring. Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation. A battery pull tab keeps the battery fresh until the home is occupied. Battery installation and removal can occur while the unit is mounted to the ceiling or wall via the side load battery compartment. Two locking features are provided to prevent battery theft and/or theft of the unit. Connection to AC power is made with a "Quick-Connect" wiring harness. Installation is quick, easy and cost effective.

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