Design Relco Concept LED Dimmer 5000 Black is a stepless sliding dimmer with a switch. The dimmer is ideal for table and floor lamps. If you use it for a floor lamp, you can easily increase or lower the brightness with your foot. It also has a red built-in LED diode, so you can find it easily in the dark. For LED bulbs, the wattage should be 4-100W, while the range should be 40-250W for halogen bulbs (spread across up to 10 sources). Stepless dimmer Suitable for floor and table lamps Compatible with LED, halogen, and incandescent bulbs Light dimmer for LED and incandescent bulbs. The dimmer can be serviced using your foot or your hand. The dimmer automatically finds out whether the lamp uses LED or an incandescent bulb. The maximum wattage is 4-100W for LED (maximum 10 lamps) and 40-250W for halogen bulbs (maximum 10 lamps). 10 lamps are the maximum number of lamps tested and guaranteed.