USB cooling fan governor (zk-ufs)

Looking for precise control over your cooling fan’s speed? Our latest controller provides you with precise control, and the LCD screen displays the approximates the fan rpm for easy monitoring.

Our upgraded fan controller effectively manages fan speed across the entire range, from 2400 rpm to 7000 rpm. Unlike its cheaper counterpart, this model ensures there is no stalling above 6500 rpm and consistently spins the fan at low speeds. While it may come at a slightly higher price, the variable controller is definitely worth the investment for those who require precise speed control.

Checkout our speed and sound demo on our YouTube channel. https://youtu.be/8WE19ukNHfE?si=qsGDCWG1lIa5BeZ_

This product requires assembly if desired to use the controller with the included case. Installation instruction start at 1:56 in the same video.

Usage method:
1. First, plug the male connector of USB Fan governor into the power interface such as mobile phone charger, power bank and computer USB (ensure that the power of power interface is greater than the required power of fan or LED light), and then plug ∪ sb fan plug or USB desk lamp plug into the female connector of USB fan governor. The governor default output is on.
2. The output voltage of the left dial of the dial wheel button increases; The right dial output voltage decreases.
3. Click the dial wheel button to switch the output on or off.
4. Double click the dial wheel button to turn off the nixie tube display. Press any button to wake up the nixie tube display.

Timing time setting (if desired):
1. Long press the dial wheel button for 3 seconds to enter the timing time setting interface. “—” Represents the timing off, the display number represents the timing on.
2. In the setting interface, click the dial wheel button to switch the timing function on or off.
3. In the setting interface, press the left dial wheel key to increase the timing time and decrease the right dial timing time.
4. Long press the dial wheel button for 3 seconds to exit the timing time setting interface and start the countdown.