Photo 1 of 4-in-1 Carbon Monoxide Detector, Wireless Battery CO and Gas Alarm with Temperature and Humidity Monitors, No Plug Needed Portablhe CO Methane Gas Detector for Home, Kitchen and Bedroom

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Photo 1 of 4-in-1 Carbon Monoxide Detector, Wireless Battery CO and Gas Alarm with Temperature and Humidity Monitors, No Plug Needed Portablhe CO Methane Gas Detector for Home, Kitchen and BedroomPhoto 2 of 4-in-1 Carbon Monoxide Detector, Wireless Battery CO and Gas Alarm with Temperature and Humidity Monitors, No Plug Needed Portablhe CO Methane Gas Detector for Home, Kitchen and Bedroom