The First Alert 3120B Carbon Monoxide Detector is a battery-powered alarm that operates on 3 batteries. It features an LED digital display, making it easy to read whether you have a power source or not. With a 90 dB operating sound rating, this white-coloured unit is compatible with Google Home and operates using the Powerline/UPB Smart Home protocol. This reliable carbon monoxide detector is designed to provide peace of mind for your home security.
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