Height adjustable dual monitor desk stand with keyboard / laptop tray Easily converts your sitting desk into a standing desk for improved ergonomics and productivity, reduces neck and back pain while you work Height adjustable keyboard/laptop tray with lock button provides fast and effortless adjustment for the perfect ergonomic fit Supports monitor sizes of 17" to 30" with weight capacity of up to 13.2lbs (6kg) for each monitor Unique mounting bracket features detachable VESA plate for quick installation Supports monitor tilt angles of +/-90° (up/down), 120° swivel, and portrait or landscape monitor orientations for the most comfortable viewing position Reduce desktop clutter, integrated cable management system keeps cables neat, organized and out of the way Compatible with VESA mounting patterns 75x75mm and 100x100mm