Photo 1 of 2 Pack Carbon Monoxide Detectors & Natural Gas Alarm Plug in,4-in-1 CO Detector & Combustible Gas Sensor with Battery Backup,Temperature & Humidity Display,Ideal for Home Travel

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Photo 1 of 2 Pack Carbon Monoxide Detectors & Natural Gas Alarm Plug in,4-in-1 CO Detector & Combustible Gas Sensor with Battery Backup,Temperature & Humidity Display,Ideal for Home TravelPhoto 2 of 2 Pack Carbon Monoxide Detectors & Natural Gas Alarm Plug in,4-in-1 CO Detector & Combustible Gas Sensor with Battery Backup,Temperature & Humidity Display,Ideal for Home TravelPhoto 3 of 2 Pack Carbon Monoxide Detectors & Natural Gas Alarm Plug in,4-in-1 CO Detector & Combustible Gas Sensor with Battery Backup,Temperature & Humidity Display,Ideal for Home Travel