5V Usb Voltage Regulator Fan Stepless Speed Controller With Switch Dc Dc 4-12V To 2.5-8V 5W Power Controller

This module is a stepless speed regulator, the output electric tooth range changes smoothly between 2.5V and 8.0V, and the air volume can be set arbitrarily! And the range is wider! Turning the knob clockwise can increase the air volume, turning it counterclockwise can reduce the air volume, and the knob has a switch function! The USB fan with non-adjustable wind is a 5V direct-supply fan motor. The fan with two gears has a boost circuit board inside. When it is set to the second gear, the boost board will increase the 5V of the USB and then connect it to the motor, and the air volume will be large! It can be applied to the very common 5V USB fan on the market. Power supply range: DC 4~12V Output range: DC 2.5~8.0V Rated power: 5W (do not overload) Color: As the pictures show Size:3.5*1.7cm Package Included:1Pc Note: Due to manual measurement, please allow an error of 1-3mm. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.