1、Measurement Function: Motor speed controller with electrical parameter measurement function can measure input voltage, output current. Embedded installation, support brush motor. 2、Basic Values: Motor speed controller's measuring voltage is DC12 to 36V, measuring current is within 8A, the starting current is 100ma. 3、LCD Large Display: Motor speed governor can stop output when overload to achieve the purpose of protecting the motor speed governor. Also has a large LCD display window, large font. 4、Speed Knob: Motor speed switch has a knob with switch function. Easy to use, can be directly connected with the motor, can control the motor speed from 0 to 100 percent. 5、Circuit Optimization: Duty cycle adjustment range is wide, motor adjustment is stable without noise and vibration, with power indication, stable circuit design, sophisticated welding switch, stable.