... cooling system,no Compressor,low noise.Energy saving:very low power consumption.Fast cooling:It has higher efficiency on cooling than ... well closed,it will alarm after one minutes automatically.Capacity: 25 LitersPower Supply: DC12V, DC12V/AC110V, DC12V/AC230VCooling capacity: 18 ... ~25°C below below ambient temp.Heating capacity: 50~60°C ...