| select | Black Red Wire |
|---|---|
| Brand | Unbranded |
| Type | Fan Governor Speed Control |
| Power Source | DC |
Check the listing for details. DC5-12V 4-wire PWM Fan Speed Controller With Switch Chassis Fan Speed Control. Condition: New. Listed at 1.96 USD. PWM signal output range: 1%-100. Default power-on PWM adjusts from 1%! Output interface type: conventional CPU, chassis fan socket, pin spacing 2.54mm. Circuit size: circuit board 22mm 20mm, knob screw extends 15mm, mounting aperture 7mm.