Description
The BRK SC9120 hardwire combination smoke and CO alarm with battery backup includes these features: quick plug in power connector for easy installation, 120 volt AC inter connectible (with maximum 18 compatible devices 12 other compatible smoke alarms + 6 compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Single test/silence button which both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality. Automatically performs internal test of functionality. Latching alarm indicator which automatically identifies which unit initiated the alarm. Battery drawer lock and mounting bracket lock for tamper resistance. AC power indicator and alarm indicator light. Low battery warning "chirp" and missing battery tab. 9 volt battery backup for peace of mind during power outages. All BRK Electronics carbon monoxide alarms are listed to UL safety standard 2034 for residential carbon monoxide alarms. Includes 9 volt backup battery. 7 Year limited warranty. Includes: one combination smoke and CO alarm, one 9 volt battery, and user’s manual.Hardwired combination CO smoke alarm features battery backup for constant monitoring.
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Electrochemical carbon monoxide sensor - the most accurate sensor available as compared to other sensing technologies
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9V alkaline battery backup
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Latching alarm indicator - remembers which unit initiated an alarm
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Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
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Easy installation and maintenance
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10-Year limited warranty
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Tested to meet UL standards