Features Backlight LCD screen displays working time and 0-100% speed percentage. Come with a remoter controller. Can set slow run/stop time, upper limit and lower limit of the speed. Can set run time and stop time, repeatedly and automatically cycle run and stop. Set the motor speed by the buttons rather than the potentiometers that is easy to damage. Specification:Item Type: DC Motor Speed Controller Input Voltage: DC6.5V-55V (the specific voltage must be equal to the rated voltage of the motor) Output Voltage: Linear under load Instantaneous Current: 30A Continuous Current: ≤20A Speed Regulation Type: Current Regulation Speed Adjustment Method: Jog + - Wireless Remote Control: Support Remote Control Battery: CR2032 button battery Timing: Yes Slow Run Slow Stop: Can be set Speed Digital Display: 0-100 percentage Speed Range: 0-100% Control Frequency: 15KHZ Connection Type: Fence type terminal Supported Motor: Brush Motor Module Size: 116x76x30mm / 4.57x2.99x1.18in Mounting Size: 109x70mm / 4.29x2.76in Installation Method: Embedded Package List:1 x Motor Speed Controller1 x Remote Control Package List 1 x Motor Speed Controller 1 x Remote Control