Xodus Innovations XL150D Dimmer Switch for up to 150 Watt Incandescent Bulb for Use with Lamps and Fixtures, White;

Covert any lamp to smoothly adjust the intensity of the light you want from a faint lambent glow all the way up to the maximum the bulb will provide. They can create a mood from night light to full brightness while also saving money by eliminating the need for expensive 3-way bulbs. This adjustable dimmer will work with any standard incandescent bulbs up to 150 watts. Just screw into the light bulb socket of your lamp, whereupon you screw the light bulb into it which adds about 1 and 1/4 inch to the height of the bulb. Then using the easy to turn knob adjust your light to the perfect level.