First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
- Superior carbon monoxide sensor and dual ionization smoke alarm
- Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
- Easy to install universal mount bracket
- Simple to use silence/test button; separate smoke and CO latching alarm indicators
- 9-volt battery included; 5-year limited warranty
The BRK hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless, deadly gas. It can be emitted by sources including gas or oil furnaces, gas clothes dryers, water he
List Price: $ 92.99
Source: http://www.pluginalarm.com/2011/05/24/first-alert-sc9120b-hardwire-combination-smokecarbon-monoxide-alarm-with-battery-backup/
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