Welcome to our shop! This thermoelectric cooler is designed with a 12715 refrigeration module, which provides a better cooling effect. The cooling block has a large surface area that allows it to come into contact with more air, resulting in quick cooling. The cooler also features four hollow copper pipes with refrigerant inside, ensuring fast heat delivery for higher cooling efficiency. This versatile cooler can be used to make a small fridge, mini air conditioner, or cooling device for pets. It has been tested with a 10L foam box, and within half an hour, it can lower the temperature from 23℃ to 0.6℃, with a minimum temperature of -2℃. Specifications: - Cooler Size: 12*19.5*12cm - Fan Size: 6*6cm - Power: 180W - Power Supply: DC12V, 20A (not included) - Max. Cooling Volume: 20L (5 to 8℃ lower than room temperature) - Weight: 840g (approximately) Package Includes: - 1 x Thermoelectric Cooler 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.