Semiconductor refrigeration cooler DIY kit uses semiconductor for cooling effect, it uses fans for cooling, practical, convenient to use. The cooling block has a large which can contact with more air for cooling. Easy to wire, stable work with low noise. Can be used to make a refrigerator, mini air conditioner or pet cooling device. Specification: Rated voltage: 12V Rated current: 12A Semiconductor model: TEC1-12706 Color: Silver Material: Plastic metal Package Contents: 2 * Thermoelectric Cooler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.