Koncept Mini Z-Bar High Power Warm - Silver (HL3100WSIL) Combo with FREE Gifs: Microfiber Cloth and Clip-on LED Light Built-in dimmer; ultra adjustable; long reach; desk clamp included 4 High Power LEDs with lifespans of 40,000+ hours Low power consumption; low heat; environmentally friendly 1 year manufacturer's warranty Dimensions: Base 7 1/2" diameter, Height 13", Extension 13", Lightbar 11 1/2"