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First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup Review
Ratting :
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup Feature
Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms Superior carbon monoxide sensor and dual ionization smoke alarm Easy to install universal mount bracket 9-volt battery included; 5-year limited warranty Simple to use silence/test button; separate smoke and CO latching alarm indicators
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