Photo 1 of Carbon Monoxide Detector,Portable Carbon Monoxide Detector with Audible & Visual Alarm,2.4-in Backlit Screen 0-1000PPM Handheld CO Detector for HVAC,Aviation,Camping & Travel(includes Battery x3)

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Photo 1 of Carbon Monoxide Detector,Portable Carbon Monoxide Detector with Audible & Visual Alarm,2.4-in Backlit Screen 0-1000PPM Handheld CO Detector for HVAC,Aviation,Camping & Travel(includes Battery x3)