Features: It can cool the heat easily and quickly, good practicality. Equipped with 2 large fans and a small fan for better heat dissipation. Comes with lines and insulating plate, greater efficiency. With 12V working voltage and 10A current. Applicable to cooling small rooms, air cooling dehumidification, learning semiconductor refrigeration theory, etc. You can use it to DIY small fridge, mini air conditioner or cooling device. Specification: Material: metal + plastic Adapter voltage: 220VAC Adapter plug: CN plug Working voltage: 12V Working current: 10A Cooling power: Max. 50-60W Internal resistance: 2.1-2.4Ω (room temperature 23±1℃, 1kHz Ac test) Maximum temperature difference: Tmax(Qc=0) 67℃ or more Operating current: Imax=4-4.6 A Rated voltage: 12V (Vmax: 15V, Start current: 5.8A) Working temperature: -55~83℃ Size: Approx. 175x97x97mm / 6.89x3.82x3.82in Weight: Approx. 600-900g Options: 1: 1 * Cooler; 2: 1 * Cooler + 1 * Power Supply Package l ist: 1 * Semiconductor Refrigeration Kit Note: Please kindly make a note if you need any plug adapter.