Description:This is a simple and easy-to-use DC motor speed controller of small size, elegant appearance and stable performance. It is made with high quality circuit board whichensures a longer service life. The current can be adjusted from 0A to 30Awhich is quite convenient to set.Features: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.The output current of this motor speed controller can be adjusted from 0A to 30A, and it is simple to set.Designed with a digital display that shows the rate in percent of actual speed to maximum speed.This motor speed controller uses screw terminals for convenient and quick wiring.Specifications:Input Voltage: DC6V-60VOutput Voltage: Linear with loadOutput Current: 0A-30AContinuous Current: 20ASpeed Range: 0 percent to 100 percent Regulation Method: PotentiometerRegulation Type: Regulating CurrentControl Frequency: 15KHzWiring Type: Screw terminalRotary Knob Wire Length: 19cm or 7.48"Size: Approx. 75 x 56 x 28mm or 2.95 x 2.2 x 1.1"Package Includes:1 x Speed ControllerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..