FIRST ALERT - First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector [1042411] 1203 this versatile tool is perfect

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FIRST ALERT - First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector [1042411] 1203 this versatile tool is perfectEnsure the safety of your home with this reliable carbon monoxide detector pack. Designed with advanced electrochemical sensing technology, these detectors offer precise and consistent monitoring of CO levels in your space. Easy to install with a simple plug in design and equipped with a 9V battery backup, this 2 pack ensures continuous protection even during power outages. Stay alert and keep your loved ones safe with these dependable detectors.