Just simply twist it and then you can adjust the industrial floor lamp in the brightness range of 0 to 100% according to the needs of different scenes. With design of the elegant, simple black metallic construction make the tall tree lamp well matched to styles of industrial, vintage and farmhouse furnitute. The farmhouse floor lamp is specially built with a heavy, stable base and lamp pole to ensure it keep standing steadily even on the carpet. Strong holding pole, No Bending No Leaning. Compatible with a variety of normal E26 LED, CFL, incandescent and halogen bulbs etc(Dimmable Bulb Only). 6W(60W equivalent), 800 lumens, 2700K (warmwhite) After-Sales Service:[100% Satisfaction Guaranteed]We are committed to making sure that you have a satisfying purchase experience, so if you have any questions or sugguestions, please contact us.