1. Thermoelectric, CFC free, no compressor 2. Cool and warm 3. Certificate: CE, ROHS, GS, UL,EMC, ... care products, health care products, drugs and even tobacco and tea. It is very easy for ... in autos, yachts, restaurants, offices, households and hospitals.Option: AC power lineDC power lineUser ... ISO9001-2008, etc.Quality guarantee: 1 year 2L white mini USB fridge/ DC cooler and warmer/ car refrigerators