Technical Advantage: 220-240Vac 3-100W inline trailing edge phase-cut dimmer provides silent dimming operation with no buzzing. Features preset minimum brightness and a dimming range of 0-100%. Safety Features: Built-in overload protection, over current protection, and over temperature protection. Eye Comfort: Smooth light adjustment from 0% to 100% helps eyes gradually adapt to changing light levels, reducing eye strain and 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 extend bulb lifespan. Compatibility Note: Before purchase, ensure 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, fan speed control, or motorized devices. Color: Black Material: Plastic Package Contents: 1 x Dimmer Switch Note: Other items not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement tolerance: +/- 1-3 cm.