Features: brand new and high quality Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques.Cooling quickly, outstanding effect. 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. Specifications: Voltage: 12V Current: 10A Power: 120W Product Size: Approx. 200 x 115 x 85mm / 7.87 x 4.53 x 3.35in Product Weight: 802g / 28.32oz 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 for DC power is not included, please prepare it by yourself. Package includes: 1 x Thermoelectric Peltier Refrigeration Semiconductor Cooling System