LED Cord Dimmer: Used for switching and adjusting incandescent lamps, dimmable LED lamps, high-voltage halogen lamps and halogen lamps with electronic transformers. It cannot be used for speed control of inductive transformer, fan and motor. Complies with UKCA and CE standards! Specification: Rated voltage/frequency: 220-240VAC/50Hz. Adjustable power: 3-100W Adjust the brightness: the light is on. Turn the control knob clockwise: the light becomes brighter to maximum brightness. Turn the control knob counterclockwise. The light dims to minimum brightness. Turn the MIN knob counterclockwise to get the expected brightness. Turn on and on, no need to wait. Electronic overheat protection, off at 80 , automatically open below 80 ℃. It should be specified that the required LED lamps must be dimmable to avoid flickering problems with this type of dimmer.