VIVO Desk Riser Solutions: We create affordable ergonomic solutions designed with creativity and quality to help transform your unique workspace! This corner riser sits on top of your current desk, allowing you to sit or stand on demand -Patented- Electric Lift: The powerful, quiet motor creates a smooth transition that boosts productivity and concentration. Easily find your ideal height setting with just the flip of a switch on the elegant control panel. Height adjustment ranges from 6.5 to 16.2