Adesso Adesso 5140-22 Sherlock LED Desk Lamp, Satin Steel, Satin Steel Energy efficient desk lamp has a shiny black nickel finish Cool vented headlight-shaped shade with a frosted glass diffuser Height can be adjusted from 16.75-inch to 26.25-inch. Has a 25-inch Depth; Base: 7.25-inch Diameter Can be adjusted 360-degreeshorizontally and 180-degrees vertically On/off toggle switch on base