Speed controller is made with high quality circuit board which ensures a longer service life.This simple and easy-to-use DC motor speed controller has an stable performance.Designed with a digital display that shows the rate in percentage of actual speed to maximum speed.This motor speed controller uses screw terminals for convenient and quick wiring.Comes with a momentary start/stop switch and a speed control potentiometer.Specifications:Input Voltage Range: DC6V-60V (input voltage should be same as motor rated voltage)Output Voltage: Linear with loadOutput Current: 0A-30AContinuous Current: 20ASpeed Range: 0% to Regulation Method: PotentiometerRegulation Type: Regulating CurrentControl Frequency: 15KHzWiring Type: Screw terminalPackage Includes:1 x Speed Controller