This Sit-Stand Desktop Workstation will change the way you work! This height-adjustable desk sits on top of your existing desk and allows you to work comfortably from either a sitting or standing position. It gives you various placement options for convenient use of your laptop, notebook or tablet. When lifted into the standing position, The wide display surface allows you to work comfortably. The spring-assisted lift mechanism allows you to raise and lower it almost effortlessly in just seconds, making it a true sit stand desk. It can hold up to 33 lbs. with ease and stays sturdy and stable even at its fully extended height.