High-Output Halogen Desk Lamp, 17" Reach, Matte Black Halogen Desk Lamp delivers 100 watts of crisp, white halogen light. Three-level touch switch allows 33%, 66%, or 100% output. The 17" reach arm adjusts at the base. 6-3/4" diameter shade moves up and down and side to side. Desk lamp includes a 100-watt halogen bulb. U.L listed. Replacement bulb, GEL-22489, sold separately.