Technical Advantages: 220~240Vac 3-100W in-line trailing edge phase-cut dimmer, the dimming process is completely silent, no buzzing! The minimum brightness can be preset, and the dimming range is 0-100%. It has overload protection, overcurrent protection, and over-temperature protection. Eye Protection: Light 0%-100% - Let your eyes gradually adapt to bright light or darkness; Reduce eye strain and protect your eyes from excessive light. Energy Saving: Can be used with up to 50 dimmable LED bulbs or 100 incandescent/halogen bulbs, dimming range 0%-100%. Reduce energy costs and extend bulb life. Note: When purchasing, please confirm if your LED bulb is marked as "dimmable". If not, you cannot use this dimmer for dimming, you can only turn the light on/off, otherwise the light will flicker. Cannot be used for speed control of inductors and fans. Color: White Material: Plastic Package Contents: 1 x Dimmer Switch Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real item. The measurement error is +/- 1-3cm.