Inline LED Dimmer Switch, Built-in Rotary ON/OFF and Knob Control Dimmer for Dimmable 3-100W LED/Incandescent Technical Advantage: 220~240Vac 3-100W inline trailing edge phase-cut dimmer. The dimming process is completely silent with no buzzing. The lowest brightness can be preset, offering a dimming range of 0-100%. Premium Quality: High-quality construction with overload protection, over current protection, and over temperature protection. Eyes Protection: Adjust lighting from 0% to 100% to help eyes gradually adapt to changes in light levels, reducing eye strain caused by overly bright lighting. Energy Savings: Compatible with up to 50 Watts of dimmable LED bulbs or 100 Watts of incandescent/halogen bulbs. Dimming range of 0-100% helps reduce energy consumption and extends bulb lifespan. Note: Before purchasing, confirm that your LED light is 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. Color: White Material: Plastic Package Contents: 1 x Dimmer Switch Note: Lighting and display settings may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3 cm.