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KOOBOOK 1Set 12V Thermoelectric Peltier Cooler Refrigeration Cooling Fan System Heatsink DIY KitSpecifications: Type: semiconductor cooling fan Power: 72W Voltage: 12V Note: The refrigeration film is not included in this kit, please prepare it by yourself(it is recommended to use 12706 (72W)) The Dc power is also not included in this kit We highly ..