Davitu Motor Controller - USB Fan Speed Controller Board 5V to 12V Control Switch Fan Stepless Module Adjustable Potentiometer Male Female Adapter

USB Fan Speed Controller Board 5V to 12V Control Switch Fan Stepless Module Adjustable Potentiometer Male Female Adapter
1. The non-adjustable USB fan is a 5 volt electric fan motor directly, while the two-speed fan has a boost circuit board inside. When placed in the second gear, the booster board raises the USB 5 volts. When the motor is connected, the air volume will be big!
2. The stepless governor output voltage range varies from 2.5 volts to 7.5 volts, and the air volume is arbitrarily set! And the scope is wider!
3. Turn the knob clockwise to increase the air volume, counterclockwise to reduce the air volume, and the knob with switch function! 
4. The use of:
The male plug of the governor is inserted into the mobile phone charger, charging treasure, computer USB, etc., and the fan plug can be inserted into the governor female head!
5. Power supply range: 5 ~ 12 volts can be
6. The output range: 2.5 ~ 7.5 volts
7. Rated power: 5W! (Do not overload)
8. Note:
When using the two-speed adjustment fan, please put the fan in the first gear, otherwise it may not be able to adjust the speed. 
1 X  5V to 12V USB Fan Speed Controller Control Switch Fan Stepless Module Adjustable Potentiometer Male Female Adapter Board
64568
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Item specifics:
Motor type: DC Motor
Origin: CN(Origin)
Model number: USB fan speed controller

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