100% brand new and high quality. Features: Great DIY kit for electronic enthusiasts to get started with Peltier experiments, learning the principle of semiconductor, refrigeration, make a DIY refrigerator or a small aircon. Its performance depends on the size of the cooling space, ambient temperature, heat insulation, sealing, etc. No noise, no vibration, no refrigerant required. Simple operation, cooling quickly, outstanding effect and good practicability. Suitable for laptop cooling, pet bed cooling, test bench, small space cooling. Specifications: Power: maximum 180W (3 * TEC1-12705 chip ) Refrigeration power: 126W Maximum current: 15A Stable current: 11A Red line: "+", black line: "-" Material: Aluminum Alloy + ABS Size: approx.300x120mm/11.81x4.72in Color: As pictures shown Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Semiconductor Cooling Unit (other accessories demo in the picture is not included.)