100% brand new and IGH quality Speed Controller, made with premium circuit board to ensure longer service life. This DC Motor Speed Controller has stable performance, simple and convenient to operate. Adipting digital display design, it can show the percentage rate from actual speed to maximum speed. Comes complete with a momentary on/off switch and a speed adjustment potentiometer. This motor speed controller uses screw terminals for convenient and quick wiring. Product Description Features: 100% brand new and IGH quality Speed Controller, made with premium circuit board to ensure longer service life. This DC motor speed controller has stable performance, simple and convenient to operate. Adipting the digital display design, it can show the percentage rate of actual speed to maximum speed. Comes complete with a momentary on/off switch and a speed adjustment potentiometer. This speed controller motor speed uses screw terminals for convenient and quick wiring. Features: Input voltage Range: DC6V-60V (input voltage should be the same as motor rated voltage) Output voltage: linear with load Output current: 0A-30A Continuous current: 20A Speed Range: 0% to 100% RegulationMethod: Potentiometer Regulation Type: Current Regulation Control Frequency: 15KHz Wiring Type: Screw Terminal Package Includes: 1 x Speed Controller Note: Please allow error of small size due to manual measurement. Thanks for your understanding.