High Grade: This PWM Motor Speed Controller is made of premium quality ABS material, offering good durability and wear resistance for long-term service Easy Installation and Operation: This Motor Speed Controller features screw terminals for convenient and quick wiring, includes an adjustable momentary start/stop switch and a speed control potentiometer for easy and convenient operation LED Display Design: This DC Motor Speed Controller features a digital display showing the percentage of actual speed relative to maximum speed, providing clear and readable data through the LED display Wide Input Voltage Range: This PWM DC Motor Speed Controller supports a wide input voltage range from DC 6V to DC 60V, compatible with 12V, 24V, 36V, and 48V power supplies; output current ranges from 0A to 30A, ensuring broad application across various uses Stable Performance: This simple and easy-to-use Motor Controller delivers stable performance, equipped with a momentary start/stop switch and a speed control potentiometer for smooth operation; adjust speed easily via the potentiometer for reliable and consistent performance Output Voltage: Linear with load Continuous Current: 20A Speed Range: 0% to 100% Regulation: Potentiometer Regulation Type: Regulating Current Control Frequency: 15KHz Wiring Type: Screw terminal Color: Material: ABS Size: 9.6x6.1x3.4cm Package Contents: 1 x PWM DC Motor Speed Controller Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowance is +/- 1-3cm