Multiple Display: Can display motor speed (maximum 9999RPM), input and output voltage, output duty cycle, current and temperature, etc. Indirectly display parameters according to ratio coefficient. Simple Settings: The maximum baud rate supports 38400bps, with RF433 wireless control, and the maximum 8 segment speed external port speed setting, acceleration and deceleration time setting. Applicable Motor: The speed controller can support up to three DC motors, including Hall brushless DC motor and Hall brushless DC motor, which has good compatibility. Speed Regulation: Display panel potentiometer speed regulation, external potentiometer speed regulation and key speed regulation, support RS485 control, can be switched at will. Circuit Protection: With overvoltage, overcurrent and overheating protection, it supports speed closed loop control, duty cycle and torsion control, with electronic brake function. Wide Application: Suitable for automobile cooling fan motor, exhaust fan, treadmill motor, etc. Can also be used for dimming DC lamp or controlling DC heater. 1 x Motor Controller. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. We will reply your message within 48 hours. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.