The Victor DC400 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". Need a break from standing? Simply push a button and lower the surface down to desktop level. 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. With no attachments to tie you down, the item is easily re-positioned. Dimensions: 28"W x 23"L x 1 to 20.25"H and 39.5 lbs. Holds one monitor of any size up to 25 pounds. Standard VESA mounting holes are required.