You can run this portable freezer fridge with 12/24V DC power on various vehicles, such as SUVs, Trucks, RVs, Camper, Van, Boat, etc. Fast Cooling Down to 32℉: With Compressor refrigeration technology, this 12v car refrigerator could achieve 15 min fast cooling from 77℉ to 32℉ and 50 min from 77℉ to -5℉, keeping your food fresh.