ITEM NAME:Mini DC Motor Controller Ultra Small High-Speed PWM LED Dimmer Switch 3V - 35V Mini DC Motor Controller Ultra Small High-Speed PWM LED Dimmer Switch 3V - 35V SKU: Y0153830602926554 Everyone is a moon and has a dark side which he never shows to anybody..PWM Duty Cycle: 1% - 100%. PWM Frequency: 10Khz. When the situation is overcurrent, it will disconnect by itself. after cooling off a few seconds, the fuse will recovery automatically. The colors may be different as the difference display.