[High quality and durable] The complete sealing structure isolates the moisture in the air, using high-quality aluminum + TEC1-12706 semiconductor cooling plate, durable【Easy to Install】Excellent DIY kit for electronics enthusiasts in peltier refrigeration applications, fully assembled, hands-free, save time. Positive red negative black, easy to install. 【High Cooling Efficiency】 Equipped with a cooling fan, the heat dissipation effect is better, and it can be easily cooled in a few minutes. No noise, no vibration, no refrigerant required. Power supply: DC 12V. Maximum power: 72W. 【Mini Size Design】Easy to install, save space, can be installed anywhere, compact size (120 * 100 * 80 mm / 4.7 * 3.9 * 3.1 inches) DIY Peltier kit includes TEC1-12706 Peltier cooler and other accessories. [The best assistant for heat dissipation in small spaces] Suitable for computer heat sinks, heat dissipation in small spaces