Item Type: Thermoelectric Refrigeration Cooling System Material: ABS, aluminum alloy Use: DIY refrigeration equipment Basic Parameters: Working Voltage: DC 12V Package List 2 x Cooling Fan 2 x Heat Sink 1 x Cooling Block 2 x Ceramic Heat Sink 10 x Screw 2 x Plastic Gasket 2 x Gasket 2 x Nut 1 x User Manual The radiator heat sink must be installed when the power is turned on, if the heat sink is not assembled, the Peltier heat sink will be burned out. 1FOR INDUSTRIAL EQUIPMENT USE: The cooler is suitable for most industrial equipment refrigeration systems, and the installation is simple and convenient 2SOLID STATE COOLING WITH GOOD COOLING: The semiconductor cooler adopt the form of solid state cooling, which combines semiconductor technology and electronic assembly technology, and has a good cooling effect 3FAST COOLING: Thermoelectric refrigeration cooling system features a large cooling block for rapid cooling with more air exposure 4CORROSION RESISTANT ALUMINUM ALLOY: Adopt good quality aluminum alloy material, light weight, possess good strength and good corrosion resistance 5WITH COMPLETE ACCESSORIES: Thermoelectric refrigeration cooling system can be used as DIY refrigeration equipment, complete accessories for easy installation and use