Surface Mount CO2 Detector - 65-541-P-WTProduct Description: This 65 541 WT carbon monoxide detector and alarm is ideal for Class A Motor homes, Class B Van Campers, Class C Mini Motor Homes, Travel Trailers, Fifth Wheels, Truck & Folding Campers. Carbon Monoxide Detector Safe T Alert (TM) Surface Mount Detector Alerts To Leak With Beeping Without Digital Display 12 Volt DC White 5 1 2 Inch Width x 3 Inch Height x 1. 3 Inch Depth White