Omnimount Play 40, for 30 to 55 inches TV.With Constant Force Technology Patented Constant Force Technology allows 20" of easy, smooth, continuous vertical and horizontal movement for perfect TV placement Gravity Pivot enables tilting capabilities without knobs or levers Improves ergonomic viewing for TVs mounted high on the wall. Extends a maximum of 24" from wall when in use and adjusts to 5.5" when retracted Best mounting choice for HDTV, 3DTV, gaming, fitness, and entertaining Being hight adjustable it will always give you a perfect angle