Feature:1. 4 groups of fans can be connected at the same time, and the four groups of fans can adjust speed at the same time2. Humanized noise reduction design and PWM line speed regulation can effectively reduce fan noise3. The cooling fan controller is applicable to the front panel of 4 groups of fan governors with 3.5inch floppy drive4. Specially designed for people who love PC. Output voltage 5V to 12V. Power reached 8W5. Four groups of fans can be controlled at the same time, which can be adjusted freely and bid farewell to noise problemsSpecification:Item Type: Cooling Fan ControllerModel: 33C04-RTKMaterial: ABSFan Interface: 3Pin Interface , 4Pin InterfacePower Supply Interface: Big 4Pin Male , FemaleOutput Voltage: 5V-12VPower: 8WInstallation Position: Chassis Floppy DriveControllable Fan: 4 Groups of Fans Can Be Controlled at the Same Time.Package List:1 x Controller Assembly 4 x Screw