Car Refrigerator Series Characters Warm/Cool, On/Off switch The temperature can be below ambient for 20°C. Warms to 65°C by set-point thermostat Red/Green LED indicates warming or cooling Rated Power (DC): 36W, 48W, 60W, 72W The way of conducting heat-cold: air-cooling type, aluminium-conducting type. A fan-cooled radiation with a long life of more than 3000 hours. Convenient plugs into any 12 volt cigarette lighter in car, vessel or connect to AC Insulating heat-preservation. Detachable power cord Operates on 12V(DC)