Holtkoetter Halogen Pharmacy Lamp No. 6450/1*P1 has an elliptical shade for maximum light output and is equipped with a curved extension arm that reaches up to 27-inch. Adjustable in height from 41 to 56-inch. Cutting-edge dimming technology provided by Dimm-System Punkt 1*P1. Features of Dimm-System Punkt 1 (*P1) include: Point Dimming - the dimming control is reduced to a single point on the arm of the lamp, Tilt Switch - if the lamp gets tipped over, it will switch itself off, Soft On - a single "click"