Item Type: Cooling Module Material: Aluminum Alloy, ABS Application: Industrial refrigeration equipment, DIY refrigeration device Basic Parameters: Internal Resistance: 2.1-2.4 Maximum Temperature Difference: Above 67C Rated Voltage: 12V Working Current: 4-4.6A Cooling Power: 70W Working Environment: -55-83C1Right Choice: If you need small space cooling, or want to learn semiconductor refrigeration theory and develop refrigeration equipment, this refrigeration module is the right choice. 2DIY Kit: You can use this cooling module to DIY what you need, such as pet air conditioner, car radiator, this kit can make you experience the fun of doing it yourself. 3Best Cooler: The cooling module has an excellent cooling effect in a small space with a high degree of sealing, and the heat dissipation speed is very fast. 4Wide Application: The cooling module can be used as dual core refrigeration equipment, air cooling device and cooling equipment. 5Easy to Install: You just need to plug the cooling module into the power supply and it is start working immediately. 1 x Cooling Fan 3 x Heat Dissipation Component 1 x Heat Sink 1 x Silicone Grease 12 x Accessories ( 6 x Screw, 2 x Nut, 2 x Washer, 2 x Plastic Washer ) 1 x Manual