ITEM NAME:Semiconductor Refrigeration Cooling Device Thermoelectric Cooler 7A 12V DIY A1W7 Semiconductor Refrigeration Cooling Device Thermoelectric Cooler 7A 12V DIY A1W7 This thermoelectric cooler uses semiconductor for good cooling effect. Cooling block has large area that can contact more air for quick cooling. It uses water for cooling, quick practical, convenient to use. The cooler can be used to make small fridge, mini air.This thermoelectric cooler uses semiconductor for good cooling effect. 1 Thermoelectric Cooler. Current: 7A. The cooler can be used to make small fridge, mini air conditioner or cooling device for pet.