Features Speed Regulation: Display panel potentiometer speed regulation, external potentiometer speed regulation and key speed regulation, support RS485 control, can be switched at will. 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. Circuit Protection: With overvoltage, overcurrent and overheating protection, it supports speed closed loop control, duty cycle and torsion control, with electronic brake function. 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. Feature: 1. 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. Specification: Item Type: DC Motor Controller Power Input: DC12-60V 15A Absolute Maximum Rating: 20A 5 minutes Functions: PWM control, speed control, RF433Mhz remote control of voltage, current, power, speed and other parameters, 4 digit LED display. Green LED: Motor PWD Red LED: Motor speed Green LED: Flashing indicates fault locking Communication: RS485 modem, supporting RTU and CNA bus Package List: 1 x Motor Controller 2 x Accessories Package List 1 x Motor Controller 2 x Accessories