Transforms any sit-down desk into a sitting OR stand-up desk. The 28" wide by 23" deep surface is raised up to 20" for ergonomic placement of monitor, keyboard, mouse, telephone and papers while standing. Electric motor design allows easy custom height adjustment with the push of a button. The monitor holder is also height-adjustable with a range of 12.5". Safety sensor stops movement when obstacles are detected under the desk. Sleek wood construction and a durable laminate coating provides years of use with a modern style. The sturdy steel base and aluminum tower are built to last. This standing desk converter rests on top of any desk or table. Holds two monitors up to 27" wide and up to 12.5 lbs each. Standard VESA mounting holes are required.