LED Cord Dimmer: Designed to switch on and dim incandescent bulbs, variable intensity LED lights, high-voltage halogen lamps, and halogen lamps with electronic transformers. Not suitable for controlling the speed of inductive transformers, fans, or motors. Complies with UKCA standards! Specification: Rated voltage/frequency: 220-240 Vac/50 Hz. Adjustable power: 3-100W. Dimension (mm): 81*33.4*22*34.8. Single-wire connection: 0.75 ... 2.5 mm². Black. Adjust Brightness: Light is on. Turn the control knob clockwise: the light becomes brighter until maximum brightness. Turn the control knob counterclockwise. The light decreases until minimum brightness. Turn the min button counterclockwise to get the expected brightness. Lights up and switches on instantly, no need to wait. Electronic overheating protection, stops at 80 ℃, opens automatically below 80 ℃. Please note that the LED bulbs used must be dimmable to avoid flickering issues with this type of driver.