First Alert Hardwired Combination Smoke/Carbon Monoxide Alarm with Battery Backup - (SC9120B)
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YouTubeeAccess Solutions Inc
First Alert Hardwired Combination Smoke/Carbon Monoxide Alarm with Battery Backup - (SC9120B)
This hardwired combination Smoke and Carbon Monoxide Alarm uses an electrochemical CO sensing technology and Ionization sensor for smoke detection. It includes a 9-volt battery for continued function in the event of a power outage, and it features a test/silence button, tamper-resistant locking brackets, and a universal mounting bracket. This ...
17.3K viewsJun 27, 2022
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