The One-Touch Free Stand base lies flat on the desktop and installs in less than 10 minutes. Powered by an electric motor and providing the highest range of vertical travel on the market today (20"), the Free Stand easily adjusts to your desired height giving you the ability to sit-stand throughout your work day. The One-Touch Free Stand comes standard with the base unit and an electric motor, as well as an upper & lower work surface. The base model holds up to two 22" monitors sitting on the top work-surface, with no mounting required! Simply place the monitor stands on the work-surface, and you"re ready to go! Enjoy the many benefits of sit-standing throughout your work day, and in no time you will be on your way to a healthier YOU.