Feature●★6V-90V general purpose PWM DC motor governor.●★With reverse polarity protection, high current protection.●★PWM pulse width speed range: 0%-100%,high efficiency, high torque, low heat generating.●★Adjust the knob of potentiometer to change the output occupying Vacancy proportion of controller, and the motor speed will change.●★External 0-5V external voltage control, can be used for PLC to directly control the speed of the motor.Description