Function: through this hub, the governor can supply to up to 8 fans, and the rotating potentiometer can adjust the speed of 8 PWM fans at the time.Note: the fan base supports 3 pin and 4pin fans, If the fan does not support PWM speed regulation function, the speed regulation function is invalid. The current conneted to the fan shall not the maximum current value of 17A.Installation : the adhesive pad at the bottom of the marshalling governor can be bonded in the chassis for fixation.High fan PWM HUB speed controllerProduct size:42 x 29 x 20mmWeight:12gSupply voltage:DC12V supply interface:6pin(2*3)interfaceMax current:17ANumber of fan seats: 8PCSsize: 42 x 29 x 20mmMaterial: ABScolour: blackPackage Contents:1 set x Computer Case FansOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.