Item's color might be different from the picture because of the aberration. Feature: Solid state, vibration free, noise-free. Simple to install and operate. Each device is fully inspected and tested. Fitted with 2.85 inch insulated leads . Perimeter sealer for moisture protection. This device must be used in conjunction with a heat sink to avoid burned. 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. Since they consit primarily of semiconductor material sandwiched between ceramic plates and have no moving parts. It will even generate electricity if you apply heat to one side while keeping the other side cold. MODEL: TEC1-12730(TE is the abbreviation of Thermo-Electric) Maxiumu power consumption :456 Watts Output cooling power: 253W Operates in 12 volts DC and >30 amps Operates at -60 ��C to +180 ��C ambient temperature Operating current: Connect with sufficient power supply at 12V 30A Size: 62x62x4.8mm/2.44x2.44x1.88inchWeight: 62g Note: Make sure the cooler with enough cooling, the temperature of the heat surface can not exceed 50 degrees.Package include:1 x TEC1-12730 Thermoelectric Peltier Cooler