Scope of application: LED dimmer according to UKCA and CE standards! For switching and controlling incandescent lamps, dimmable LED lamps, high-voltage halogen lamps and halogen lamps with electronic transformers. It cannot be used for the control of transformers, fans and inductive motors. Specifications: Rated voltage/frequency: 220-240 VAC/50 Hz. adjustable power: 3-100 W. Dimmable LEDs ( PF=Power Factor: PF>0.9 3100W, PF>0.5 350W Dimension(mm):81*33.4*22*34.8.Single wire connection:0.75...2.5 mm. White. Easy to use: The LED controller allows you to adjust the dimming of the lamp with the turn of a knob and ensure that the room is illuminated. Turn the control knob in clockwise: the light becomes brighter until it reaches maximum brightness. Turn the control knob counterclockwise: the light becomes dimmer. Safety protection: The LED light dimmer has electronic overheating protection. It will automatically turn off when the temperature reaches 80C and automatically turn back on below 80C. Note: It should be clarified that the required LEDs must be dimmable to avoid flickering issues with the dimmer. The LED lamp should not be less than 3W. The LED lamp should be dimmable and should be compatible with rear edge dimmers. When the dimmer is at min/max brightness but does not match to the actual brightness, and fine adjustment by the screw is not effective, the luminaire may have been manufactured with a dimming range.