9" gooseneck arm x 4" wide base x 4" wide top light. Six built-in LEDs: Consumes 2.3 watts to produce a 15 lumen light output, comparable to a 5 watt incandescent. 6500K-7000K. 80 CRI. Includes 3 AA batteries. Black finish base, arm and top light. Base expands to become a desk stand for non-clip use. Clip opens 1 1/4"- 1 1/2" #46366-Each UNSPSC#39100000