ITEM NAME:12V Thermoelectric Peltier Cooler Refrigeration Semiconductor Cooling Syste Y1U1 12V Thermoelectric Peltier Cooler Refrigeration Semiconductor Cooling Syste Y1U1 Brand New and high quality. Convenient to use. It is very helpful and useful Product Name: Thermoelectric Peltier Refrigeration Cooling System Kit Cooler Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques. Must fititng Radiator Heartsink when Power ON,not resposible for Burn Peltier if Heartsink is not Assemble.the item is finished kit Specifications: Power: 12VDC 6A (not include in this Kit) color: As picture shows Material: metal + pc size: 100*118*95mm Cooling power: 72W Net weight: 350g Package Contents: 1* Thermoelectric Peltier Refrigeration Cooling System Kit Cooler Tips: cold end frost require ambient temperature is low, is not what the environment can be frost, frost general ambient temperature below 25 degrees. Note: 1: This module installation is assembled and you do not need to use your hands 2: This module without power, without thermometer. 3: Test ambient temperature of 26 degrees. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Must fititng Radiator Heartsink when Power ON,not resposible for Burn Peltier if Heartsink is not Assemble.the item is finished kit. Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques.