The Ergotron LX HD Sit-Stand Wall Arm offers a versatile and ergonomic solution for workspace. It allows for full monitor movement and improved ergonomics providing with the flexibility to adjust screen to a comfortable height and position. With 20" (51 cm) of height adjustment can easily switch between sitting and standing work positions. The arm folds within inches of the wall when not in use saving space and keeping workspace organized. It also offers a generous 33" (84 cm) extension and 62" (157 cm) of side-to-side motion for optimal screen positioning. The streamlined design enhances the aesthetics of work area while the arm is built to withstand thousands of movements ensuring durability and reliability.