... to 10 3.CFC-free refrigerant R134a 20L Car and Home Use DC Compressor Portable FreezerParameters of portable freezer Power consumption40WInput voltageDC12V ... power supply operation.12. Use for Camping&Outdoor, Car,4WD, Motorhomes, RV, Caravan,Truck, Automotive, Boat, Marine, Home.13. Two years warranty ... and portable fridge freezer are also available. 20L Car and Home Use DC Portable Freezer