Pulse generator lighting LED motor speed dimming controller slow start and slow stop digital display, 79*43mm Display PWM duty cycle size or represent brightness value or motor speed value 0-100%. If the minimum value is set to 20 and the maximum value is set to 80, the displayed value of 000~100 represents the duty cycle of 20%~80%. Left or right: adjust the size of the value Press the knob down: short press to turn on or off the PWM output and long press for more than 8 seconds: automatically enter the setting interface. Note: Manual measurement, there may be 1-2cm\/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture. Delivery Quantity: 1MNG wishes you a happy shopping.