With the wide applications of semiconductor cooling, more and more DIY enthusiasts are interested in it. It's a question that how to solve heat dissipation in cooling applications. This product could be just to your taste to solve this problem. Features: High quality for use, Max. power is 120W. Include a large radiator, 2pcs cooling fans, 2pcs large fans and 2pcs cold conduction modules. Installation has been finished already, easy and convenient for use. Great product for electronic enthusiasts in DIY semiconductor cooling system. Note: 1. Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor technologies and electronic assembly techniques. 2. The conduction cool module can frost when the temperature is under -25C. 3. The DC power is not included, please prepare it by yourself. Specifications: Voltage: 12V Current: 10A Power: 120W Conduction Module Size(1pc): 60 * 43 * 25mm Radiator Size: 200 * 115 * 23mm Large Fan Size(1pc): 90 * 90 * 25mm Small Fan Size(1pc): 40 * 40 * 10mm Product Size: Approx. 200 * 115 * 85mm / 7.87 * 4.53 * 3.35in Product Weight: 802g / 28.32oz Package Size: 25 * 17 * 13cm / 9.84 * 6.7 * 5.12in Package Weight: 977g / 34.46oz Package List: 1 * Thermoelectric Peltier Refrigeration Semiconductor Cooling System