First Alert Carbon Monoxide Alarm with Battery Back-Up - CO605
Provides protection against CO, the #1 cause of accidental poisoning death in the U.S. Plug-in with battery back-up provides continuous protection, even during power outages. Silence button quiets nuisance alarms. Front access battery compartment allows easy battery replacement. Alarm Action Chart identifies action steps if alarm sounds. Run time: 7 days on battery back-up. Click for Price @ Sears.com
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