Plastic shell, smooth without burrs, serviceable.<br> Embedded power line switch, inline switch, single line control dimming, easy to use.<br> Minimum brightness preset function, dimming range can be customized to a certain percentage through simple steps.<br> Easy to install. Just cut the wire where the switch needs to be installed, and then install the wire into the terminal and tighten it.<br> Suitable for dimmable LED bulbs, incandescent bulbs, halogen lamps, table lamps, floor lamps and other bulbs. Adjustable optical power range: LED bulb: 2W - 25W; CFL bulb: 2W - 25W; Incandescent/Halogen bulb: 5W - 80W.<br> Smooth dimming without flicker, with overheating protection function, safe to use.<br> Switch knob dimming function, 0-100% full brightness adjustment range dimming.<br> Dimmable LED Range: 2W - 25W<br> Dimmable CFL Range: 2W - 25W<br> Incandescent/Halogen Bulb Range: 5W - 80W<br> Characteristics: Full Range Dimming<br> Product Name: LED Dimmer Switch<br> Voltage: 220V<br> Colour:Black<br> Material:plastic<br> Package Contents:<br> 1 x LED Dimmer Switch<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.