The 12V Atwood 31011 Carbon Monoxide & LP Gas Propane Detector Alarm by Dometic is a reliable safety device designed specifically for RV trailers. This CO LP detector is essential for monitoring the presence of dangerous gases in your living space while on the road. With its brand reputation and manufacturer part number, you can trust that this product will provide peace of mind and protection for you and your family while traveling in your RV trailer.