A. Technical Advantage: 220~240Vac 3-100W inline trailing edge phase-cut dimmer, the dimming process operates with low noise and does not produce a buzzing sound. The lowest brightness can be preset, and the dimming range is 0-100%. B. Safety Features: It is designed with overload protection, over current protection, and over temperature protection. C. Eyes Protection: Dimming the lights from 0% to 100% allows your eyes to gradually adapt to bright light or darkness, helping to reduce eyestrain caused by overly bright lights. D. Energy Efficiency: It is compatible with a maximum of 50 Watts of dimmable LED Bulbs or 100 Watts of Incandescent/Halogen Bulbs. The 0-100% dimming range helps to manage energy usage and may extend bulb life. E. Note: Before purchasing, please confirm if your LED light is marked as "dimmable". If not, this dimmer can only be used to turn the lamp on/off, or the lamp may flicker. It cannot be used for speed control of inductors and fans. F. Colour: White G. Material: Plastic H. Package Contents: 1 x dimmer switch. Only the above package content is included; other products are not. I. Note: Light conditions and different displays may cause the color of the item in the picture to slightly differ from the real thing. The measurement allowed error is +/- 1-3cm.