1. Technical Advantage: 220~240Vac 3-100W inline trailing edge phase-cut dimmer, the dimming process is silent and does not produce a buzzing sound. The lowest brightness can be preset, with a dimming range of 0-100%. 2. Premium Quality: Features overload protection, over current protection, and over temperature protection. 3. Eyes Protection: Dims lights from 0% to 100% to help eyes gradually adapt to bright light or darkness, reducing eyestrain from overly bright lights. 4. Energy Savings: Compatible with a maximum of 50 Watts of dimmable LED Bulbs or 100 Watts of Incandescent/Halogen Bulbs. The 0-100% dimming range helps cut energy costs and extend bulb life. 5. Note: Before purchasing, 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. 6. Colour: White 7. Material: Plastic 8. Package Contents: 1 x dimmer switch. Only the above package content is included; other products are not. 9. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.