5V Mini USB Fan Governor- Wind Speed Controller
USB Fan Air Conditioner Strong winds and weak wind adjust freely Stepless Speed Regulation Fan Speed Regulation principle: The non-adjustable fan is a 5 v direct fan motor, while the two-stall fan is the interior has a step-up circuit board, when placed in the second gear, the boost plate will be USB 5 v up after the motor, the air volume is big!
The stepless speed governor output voltage range of 2.5 v to 8.0 v between the smooth change, the amount of free air flow set! and a wider range! Clockwise twist knob can increase the air volume, counterclockwise twist will reduce the air volume, and knob with switch function.
Power supply Range: DC 4~12V
Output Range: DC 2.5~ 8.0V
Rated Power: 5W (Please do not overload use)
Suitable for the very common 5.0V USB fan on the market