ITEM NAME:DC 10V-50V PWM Motor Speed Controller CW/CCW Reversible Switch 40A with LED X6X4 DC 10V-50V PWM Motor Speed Controller CW/CCW Reversible Switch 40A with LED X6X4 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 elegant appearance and stable performance. Well design case can protect the controller board from damage as well as dissipate heat. Designed with a digit display that shows the rate in percent of actual speed to maximum speed. This motor speed controller would allow setting direction of rotation that accomplishes reversing the motor's direction. This is a simple and easy-to-use DC motor speed controller of elegant appearance and stable performance. It is made with high quality circuit board which ensures a longer service life. This speed controller with high power allows setting rotation direction. Input Voltage: DC10V-55V Output Voltage: Linear with load Max. Current: 60A Continuous Current: 40A Speed Range: 0% to 100% Forward & Reverse: Support Regulation Method: Potentiometer(linear) Regulation Type: Regulating Current Control Frequency: 15KHz Wiring Type: Screw terminal Rotary Knob: 100K(with switch) Suitable for: Brushed DC motor Size: 100 x 76 x 28mm / 3.93 x 2.99 x 1.1 inch Color:ï ¼Å¸Silver Material:ï ¼Å¸Plasticï ¼Å¸+ï ¼Å¸Metal Package Includes: 1 x Speed Controller Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Continuous Current: 40A. It is made with high quality circuit board which ensures a longer service life. Suitable for: Brushed DC motor. Forward & Reverse: Support. Designed with a digit display that shows the rate in percent of actual speed to maximum speed.