Item Type: Speed Controller Input Voltage: DC6-60V (the specific voltage is equal to the rated voltage of the motor) Output Voltage: Linear under load Output Current: 0-30A Continuous Current: Within 20A Speed Regulation Type: Current Adjust Speed Control Method: Encoder knob 360 Support Motor: Brushed motor Speed Adjustment Range: 0-100% Frequency Set Range: 1-100KHZ Adjustable Wiring Type: Barrier terminal block Speed Digital Display: 0-100% Size: Approx. 96 x 61 x 34mm / 3.8 x 2.4 x 1.3in Package List 1 x Speed Controller 1The speed governor is a device for adjusting the speed of a DC motor, which has the characteristics of low speed and high torsion. 2The governor supports soft start and soft stop, which can reduce the mechanical stress on the motor and shaft. 3The governor is equipped with a digital display panel with clear readings and convenient parameter setting. 4The digital encoder knob is selected, which can be rotated 360, with high accuracy and good consistency, and is stability and durability. 5Widely used in industrial DC motor speed control, industrial conveyor belt speed control, lighting adjustment, computer power cooling, DC fans, etc.