First Alert BRK SC9120LBL Hardwire AC Smoke and Carbon Monoxide Combination Alarm with 10 Year Sealed Battery Backup
$157.50
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10Yr Lithium battery backup Locked battery drawer Electrochemical carbon Monoxide sensor - the most accurate sensor available as compared to other Sensing technologies Latching alarm indicator - remembers which unit initiated an alarm Intelligent Sensing technology helps reduce the Number of nuisance alarms
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