1. 100% brand new and high-quality speed controller, made of high-quality circuit boards to ensure a longer service life. The DC motor speed controller has stable performance and is simple and convenient to operate. 2. It adopts a digital display design, which can display the percentage speed from the actual speed to the maximum speed. It is equipped with an instantaneous on/off switch and a speed adjustment potentiometer. 3. This motor speed controller uses screw terminals, making wiring convenient and fast. 4. Product description features: 100% brand new and high-quality speed controller, made of high-quality circuit boards to ensure a longer service life. The DC motor speed controller has stable performance and is simple and convenient to operate. It adopts a digital display design, which can display the percentage speed from the actual speed to the maximum speed. It is equipped with an instantaneous on/off switch and a speed adjustment potentiometer. Wiring is convenient and fast. 5. Characteristics: - Input voltage range: DC 6V - 60V (the voltage should be the same as the rated voltage of the motor). - Output voltage: linearly related to the load. - Output current: 0A - 30A. - DC current: 20A. - Speed range: 0% to 100%. - Adjustment method: potentiometer adjustment. - Type: current regulation. - Control frequency: 15KHz. - Wiring type: screw terminals. 6. Package includes: 1 x speed controller. 7. Note: Due to manual measurement, please allow slight dimensional errors. Thank you for your understanding.