First Alert® SC9120B Smoke/Carbon Monoxide Alarm w/Battery Backup, 120V FREE SHIPPING Dry time: 24 hours

Dry time: 24 hours

Keep your feet dry and comfortable at work with Wigwam's patented Ultimax® moisture control that moves moisture from the bottom up

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First Alert® SC9120B Smoke/Carbon Monoxide Alarm w/Battery Backup, 120V FREE SHIPPING Dry time: 24 hoursThe First Alert Hardwire Combination Smoke Carbon Monoxide Alarm wires directly into your home's electrical system. In the event of a power outage, this alarm has been equipped with a 9V battery backup to provide optimal protection. The realization of ionization technology combined with an electrochemical sensor ensure optimal safety. A Mute Button has been included to serve the dual purpose of silencing nuisance alarms brought on by cooking smoke and