Ergonomic Desks Desks by Mayline Drive System consists of a 110V, 60Hz AC input, 12V DC motor. 120 lb. capacity. Draws 1.6 amps under full load. The travel range is 16.5″ of vertical adjustment from 25″ to 41.5″; the full travel time is 13 seconds. The work surface is made of thermally-fused laminate with a T-mold edge standard. The non-adjustable portion of the base can be painted in any of our Corporate Colors for a $50 List upcharge. Quantities are limited to 5 of any model per order.