Compatible with large monitors: Fits single screens up to 42 inches diagonal and 7 to 25 pounds; compatible with VESA patterns 75x75mm, 100x100mm, 200x100mm and 200x200mm; separate accessory VESA Bracket Adaptor Kit (97-759) fits larger VESA patterns. Installation flexibility: Includes arm, wall mount base, VESA brackets; mounts directly to sturdy vertical surfaces, wood studs, or to optional accessories Wall Plate (97-101-003) or Track Mount Bracket Kit (97-091). Improved comfort: Find the most ergonomic fit with 21.4 inches of horizontal extension and 20 inches of lift; customize views with 360 degrees of rotation and 75 degrees of tilt; frees up space by folding within 4.4 inches of the wall. Sleek and sturdy: Places screens or digital signage where you need it for each project and creates more workspace; cables route under the arm and out of the way; keeps technology secure with anchor holes. Professional-grade quality: Extensive quality testing ensures your display stays stable and secure; Ergotron products set the standard for quality with a 5-year warranty and expert technical support.