1This thermoelectric cooler uses HT064112 semiconductor for good cooling effect. 2Cooling plate has large area that can contact more air for quick cooling. 3Hollow copper pipes with refrigerant inside would deliver heat fast for higher cooling efficiency. 4It can be used to make small fridge, mini air conditioner or cooling device for pet. 5Convenient to wire, easy to use, it will cool down fast after powered on. Features:This thermoelectric cooler uses HT064112 semiconductor for good cooling effect. Cooling plate has large area that can contact more air for quick cooling. Hollow copper pipes with refrigerant inside would deliver heat fast for higher cooling efficiency. It can be used to make small fridge, mini air conditioner or cooling device for pet.Convenient to wire, easy to use, it will cool down fast after powered on. Specifications:Max. Power: 120WMax. Current: 10A Rated Voltage: DC 12VRated Current: 8A Semiconductor Model: HT064112Size: 14*14*9.5cm / 5.5*5.5*3.7in Weight: 777g(approx.)Wiring Method:DC12V + : All red wiresDC12V - : All black wires Note:1, This product can be powered with switch power supply more than 12V 10A.2, If room temperature is over 40, the cooling might be effected. Package Includes:1 x Thermoelectric CoolerNote: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.