CenryKay DC 5V USB Fan Stepless Speed Controller Regulator Input DC4-12V to 2.5-8V and Speed Control Knob with Switch Function（4PCS)

About this product

*Power Supply Range: DC 4V to 12V, Output Range: DC 2.5V to 8.0V

*Rated Power: 5W (please DO NOT overload use), Suitable for common 5.0V USB fans

*Package including: 4 pack of fan DC governor module. Stepless speed regulation output voltage range in 2.5V-8V stable change, so that the wind speed of the fan can be adjusted, greatly improve the comfort.

*You just need to plug the governor male connector into the mobile phone charger, power bank or computer USB, and then insert the fan plug into the female connector. Or use Micro USB 5.0V power supply.

*A wide range of applications: It is suitable for the speed regulation of DC motor, fan, fish tank oxygen pump and other products.