Durability: This PWM motor speed controller is made of durable circuit board material, which has good durability and wear resistance Easy to install: This speed controller of motor adopts screw terminals, wiring is convenient and quick, and can be conveniently and easily controlled LED display: This DC motor speed controller is designed with digital display, which can show the percentage from actual speed to maximum speed, so you can easily read the data through the LED screen. Wide input voltage range: This PWM DC motor speed controller supports a wide range of input voltage from 6V DC to 48V DC, and is suitable for 12V, 24V, 36V 48V power supply, while the output current is 0-30A, thus ensuring a wide range of output voltages. Stable performance: This easy-to-use motor controller has stable performance , with instant start and stop switch and speed control potentiometer, easy to operate.