Uniquely Designed The unique flex design of the DS-227STN makes this a great Dual Monitor mounting solution for your LCD monitors. DoubleSight's Easy Stand Design allows for fast, easy assembly without the need for additional tools. Easy to Set Up, Easy to Use, the DS-227STN provides a secure, Ergonomic mount while eliminating clutter and saving valuable desk top space. Capacity Two LCD Monitors up to 27", weighing up to 20 lbs. each. Compatibility All DoubleSight Multi Monitor Stands and Arms are compatible with VESA 75x75mm and 100x100mm Monitors which ensure the fit for your VESA complaint LCD monitors, televisions or all-in-one PCs. A conversion bracket is available for monitors with a 100x200mm VESA hole pattern. Flexibility The Easy Stand design is adjustable for height, tilt, and pivot for a truly custom View. DoubleSight's Design offers the user complete flexibility when installing their monitor on the desktop. The horizontal arms for the DS-227STA swivel on the center pole which allow the user to adjust the arms according to user preference. The center pole provides adjustable height. The VESA brackets are hinged to adjust viewing angles, as well as, a 90° pivot to change from landscape to portrait views. Stability The Flex Stand Base provides a measure of stability not found in other stands. The Base design counter balances the monitors for a stable set up every time. Convenience The DS-227STN ships in 4 East to Assemble Parts. Simple installation instructions are included for "No Tools Required" installation. Warranty All DoubleSight Mounts carry a Lifetime Warranty.