Features: 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 conditioner or cooling device for pet. Easy to wire, it will cool down fast after powered on. Specifications: Max. Power: 216W (@15V) Max. Current: 21A Rated Voltage: DC 12V Rated Current: 13.4A Semiconductor Model: CP-12706 Size(L*W): 18*9cm/7.09*3.54in Weight: 420g(approx.) Wiring Method: DC12V + : All red wires DC12V - : All black wires Note: 1, This product can be powered with switch power supply more than 12V 15A. 2, Long time use will cause water temperature rise, which will effect cooling. It is suggested to enhance heat dissipation for water. Package Includes: 1 x Thermoelectric Cooler 1、This thermoelectric cooler uses semiconductor for good cooling effect. 2、Cooling block has large area that can contact more air for quick cooling. 3、It uses water for cooling, quick practical, convenient to use. 4、The cooler can be used to make small fridge, mini air conditioner or cooling device for pet. 5、Easy to wire, it will cool down fast after powered on.