HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ...
Fire Angel Carbon Monoxide Detector - Camper Select
Kidde 7DCO 10 Year Life Digital Display Carbon Monoxide Alarm for Home, Holiday, Travel, Caravan, Camping, Boats, with Travel Pouch