... from -19 to 10 4.DC Compressor Portable Car Freezer for Home, Car, Travel, Truck Parameters of portable freezer Power ... free refrigerant R134a. 12. Suitable for solar power supply operation. 13. Use for Camping&Outdoor, Car, 4WD, Motorhomes, RV, Caravan ... 14. Two years warranty for compressor, one year for everything else.Accessories of portable freezer Portable Car Freezer for Home, Car, Travel, Truck