Adjustable, You can adjust the height and angle of the desk lamp making sure you get the light from study lamp Easy to use, The inline on/off cable switch means it's easier to reach and turn the power on/off of led desk lamp Bulbs, Lamps require 1 x E27 bulb (not supplied),providing you the brightness in office or table lamp study Easy to clean, Wipe clean with a soft cloth, avoid abrasive cleaners on desk lamps for shinier and longer life-span Dimensions, Black table lamp comes in ideal size of 190h x 70w x 35d in cm,making it a perfect desk lamp office