ITEM NAME:CCM5D Digital Display LED 6V 12V 24V PWM Motor Controller Speed Regulator #gib Store Home Promotion Hot Item Add to Fav.The display range of 3-digit LED display is "000-100". The LED display displays the PWM output duty cycle. PWM frequency: 16kHz. Incorporate a push key. Push closed, and then push open. Adjustable speed range is 0%-100%.