Electric Powered – Adjust your desk riser from a sitting to a standing position in seconds. With fully electric power and no stopping points, you can adjust the riser to whatever position fits your workspace best with ease and comfort. Height is adjustable up to 20”. Ergonomic Design and Movement – With the push of a button, our desk riser moves up or down quickly & easily and with no predetermined stopping points, you can adjust the height to your personal preference. Quality – Built with a carbon steel frame so your VersaDesk riser remains stable and sturdy on all height settings. With sealed ball bearing roller glider wheels for smooth, quiet movements and laminated surfaces that will never scratch, dent or fade, your VersaDesk riser is designed and tested for your ease & safety. Used lightly for 6 months still in a good working condition. Holds a single and dual monitors with mount. Perfect for converting an existing desk into a sit stand desk Dimensions in pics.