1、Basic Functions: DC brushed motor speed control and commutation control, potentiometer controls the motor CW CCW and commutation, and the single chip microcomputer controls the motor CW CCW and commutation. 2、Automatic Forced Air Cooling: The motor controller is made of high quality ABS material and has an automatic forced air cooling method. The controller can be protected from damage and can dissipate heat. 3、Stable and No Noise: Adjust the motor to be stable and no noise and vibration, and it is more adaptable, which is more convenient to change the direction of the motor and is suitable for long term work. 4、Application Range: This is a motor controller that can be used for model ESCs, smart cars, motor speed control and commutation control fighting robots, and hollow cup motor control. 5、Applications: Motor controller can be used for motor speed control, motor forward and reverse control, current limit can be adjusted, automatic fan forced cooling, wide voltage input range. Item Type:Motor Speed Controller Material: ABS Model: APO-A2 Standby Current: <40mA Current Limit Value: 40A Control Mode: 1ms-2ms (Pulse Width) Receiver Signal Cooling Method: Automatic Forced Air Cooling Maximum Output Current: 40A (Maximum) 1 x Motor Controller