Welcome to the store! High Quality: This PWM motor speed controller is made of high-quality ABS material, which has good durability and wear resistance for long-term use, you can use it for a long time. Easy Installation and Use: This motor speed controller is equipped with screw terminals for convenient and quick wiring, and it also comes with an adjustable momentary start/stop switch and a speed control potentiometer for easy and convenient control, you can easily control it. LED Display Design: This DC motor speed controller is designed with a digital display that shows the percentage of the actual speed to the maximum speed, so the data is readable via the LED display, you can easily get accurate data. Wide Input Voltage Range: This PWM DC motor speed controller supports a wide input voltage from DC 6V to DC 60V, and it fits for 12V 24V 36V 48V power supply, meanwhile, the output current is 0A-30A, ensuring a wide application. You can use this adjustable motor controller on various occasions for different purposes. Stable Performance: This simple and easy-to-use motor controller has a stable performance, and it features a momentary start/stop switch and a speed control potentiometer for easy operation, you can regulate it through the potentiometer to provide a better and stable performance. Output Voltage: Linear with load Continuous Current: 20A Speed Range: 0% to Regulation: Potentiometer Regulation Type: Current regulation Control Frequency: 15KHz Wiring Type: Screw terminal Color: as shown Material: ABS Size: 9.6x6.1x3.4cm Package Contents: 1 x PWM DC Motor Speed Controller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3cm.