Technical Advantage: 220-240Vac 3-100W inline trailing edge phase-cut dimmer provides silent dimming operation with no buzzing sound. Features a preset minimum brightness level and offers a dimming range of 0-100%. Safety Features: Built-in overload protection, over current protection, and over temperature protection for reliable performance. Eye Comfort: Enables smooth light adjustment from 0% to 100%, allowing eyes to gradually adapt to changing light levels, reducing eye strain and minimizing discomfort from overly bright lighting. Energy Efficiency: Compatible with up to 50 dimmable LED bulbs or 100 incandescent/halogen bulbs. Dimming range of 0-100% helps reduce energy consumption and extends bulb lifespan. Compatibility Note: Before purchasing, verify that your LED bulbs are labeled as "dimmable." Non-dimmable LEDs may only turn on/off or flicker when used with this dimmer. Not suitable for inductive loads such as fans or motors requiring speed control. Color: Black Material: Plastic Package Contents: 1 x Dimmer Switch (other items not included) Note: Lighting and display differences may cause slight variations in color between the product image and actual item. Measurement may vary by +/- 1-3cm.