BQLZR Huge TEC1-12730 253W Thermoelectric Peltier Cooler Cooling 62mm x 62mm x 4.8mm Operates in 12 volts DC and &gt;30 amps to make it works fluently. Get ice cold in minutes or heat to boiling by simply reversing the polarity, used for numerous applications such as cooling your CPU, video card, NANO Reef, laser diode, CCD camera, picnic cooler, beverage cooler , alternate power sources, or even for your own custom car drink warmer/cooler. This device must be used in conjunction with a heat sink to avoid burned. Can't exceed 50 degrees Solid state, vibration free, noise-free. Output cooling power: 253W