1.Latest ultra efficient German technology compressor. 2.Can run on 12V/24V DC. 3.Can set temperature from an ice cold -19°C and up to +10°C. 4.Perfect for tropical climate, can even refrigerate in blistering hot temp up to 50°C. 5.CFC-free refrigerant R134a. 6.Suitable for solar power supply operation. 7.Use for Camping&Outdoor, Car, 4WD, Motorhomes, RV, Caravan,Truck, Automotive,Boat, Marine,Home.