❄3 Way Power - 110 V, 12 V and propane input. Low energy consumption: Gas 5g/h, Electricity 0.09kwh/h ❄Portable Size - 2.1 Cu.ft. capacity with removable shelves, portable and large enough for storing both food and drinks ❄Easy to Use - Manual Electric Thermostat to control temperature between 32~50 ℉, easy to switch 3 power supplies - 110 V/12 V/Propane