Feature:1. Right Choice: If you need small space cooling, or want to learn semiconductor refrigeration and develop refrigeration equipment, this refrigeration module is the right choice.2. DIY Kit: You can use this cooling module to DIY what you need, such as pet conditioner, car radiator, this kit can make you experience the fun of doing it yourself.3. Best 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.4. Wide Application: The cooling module can be used as dual core refrigeration equipment, cooling device and cooling equipment.5. Easy to Install: You just need to plug the cooling module into the power supply and it is start working immediately.How to Use:Works as soon as the device is plugged in.Specification:Item Type: Cooling ModuleMaterial: Aluminum Alloy, ABSApplication: Industrial refrigeration equipment, DIY refrigeration deviceBasic Parameters:Internal Resistance: 2.1-2.4ΩMaximum Temperature Difference: Above 67°CRated Voltage: 12VWorking Current: 4-4.6ACooling Power: 70WWorking Environment: -55-83°C Package List:1 x Cooling Fan3 x Heat Dissipation Component1 x Heat Sink1 x Silicone Grease12 x Accessories ( 6 x Screw, 2 x Nut, 2 x Washer, 2 x Plastic Washer )1 x Manual