Refrigerator, using entirely different from traditional technology of cooling and the heating technology, based on the Peltier effect, thermoelectric heating, is popular on international markets in recent years a new generation of refrigerated appliances. Because it does not require the compressor without refrigerant, compact structure, low noise, vibration-resistant, long service life, both fixed placement can also be convenient to carry, so widely used in hotel rooms, hospital wards, cars, boats, planes, research institutes, family, field operations, military facilities and tourism.