Car refrigerator that is different from ordinary household refrigerator is not the use of mechanical compression refrigeration compressor, instead of using electronic (semiconductor) cooling principle. And it does not produce pollution, also it is more convenient to plug into the car cigarette lighter for power Car refrigerator that is different from ordinary household refrigerator is not the use of mechanical compression refrigeration compressor, instead of using electronic (semiconductor) cooling principle. And it does not produce pollution, also it is more convenient to plug into the car cigarette lighter for power supply.