Broad compatibility: Fits two screens up to 24 inches diagonal and 6 to 14 pounds each; compatible with VESA patterns 75x75mm and 100x100mm Room to work: Large 24 x 9.3-inch keyboard tray with retractable mouse tray easily accommodates a standard keyboard and mouse; mouse tray can install on the left or right; keyboard tray folds up to save space, moves in tandem with workstation and is positioned below the desktop, promoting comfort and ergonomics Ergonomic workspace: Fine-tune working position with 18 inches of straight up and down lift plus 5 inches of independent screen height adjustment; adjusts smoothly from minimum monitor height of 8.5 inches to maximum monitor height of 31.5 inches; install screens at a 3.5 or 8.5-degree upward angle for optimal viewing Easy setup: Includes height-adjustment column, desk clamp, crossbar, two monitor pivots, keyboard tray with left/right mouse tray; desk clamp attaches to desktops 0.47 to 2.4 inches thick; variable weight setting enables effortless movement Built to last: Extensive quality testing ensures your workstation holds up to rigorous daily use; Ergotron products set the standard for quality with a 5-year warranty and expert technical support