This small cooling system is a DIY finished product, employing electronic semiconductor refrigeration, designed for small area cooling, such as laptop, pet bed, etc. Features: Employ TEC-12705 semiconductor cooling plate, good quality for use. Mainly for small area cooling, such as laptop, pet bed, etc. Lightweight and mini in size, easy to install. Simple operation, cooling quickly, outstanding effect and good practicability. Great DIY kit for electronic enthusiasts in semiconductor cooling applications. Specifications: Material: ABS Power Supply: 12V/5A Rated Power: 50W Item Size: 12 * 10 * 9cm / 4.72 * 3.93 * 3.54in Item Weight: 335g / 11.81oz Package Weight: 395g / 13.93oz Package Size: 15 * 12 * 10cm / 5.9 * 4.72 * 3.93in Packing List: 1 *Semiconductor Refrigeration Cooler