The computer case cooler has colorful LED light, which makes your computer cool and stylish.Type B can be operated by remote controller, which is convenient to use.It has a high performance of heat dissipation.Item Name: Computer Case Cooling FanMaterial: ABSType: A: 1 x RGB Cooling Fan B: 3 x RGB Cooling Fans, 1 x Controller, 1 x Remote ControllerCompatible CPU: for Intel, for AMDBearing Type: HydrablicSpeed: 0-1400RPMNoise Value: 25DBA±10%Service Life: 40000 HoursRated Voltage: 5V DC 12V DCAir Volume: 37.8CFM±10%Fan Connector: Small 6pinRemote Controller Battery: 1 x CR2025 Button Battery (Not Included)Features: Remote Control, RGB Light, Heat DissipationCable Length: 480mm±10mm/18.9" ± 0.39" (Approx.)Size: 120mm x 120mm x 25mm/4.72" x 4.72" x 0.98" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.A single RGB fan (used to install and expand) needs to be used with our store& 39;s controller, and cannot be used individuallyThe fan is a small 6pin interface, and the controller is powered by a large 4Pin interface. You can only plug in the desktop power supply and use the large 4Pin to get power. You cannot use other devices to supply power.Package Includes:1 x RGB Cooling Fanor3 x RGB Cooling Fans1 x Controller1 x Remote Controller