Increase comfort and productivity by placing your keyboard and mouse at a proper level. This keyboard has a sit/stand easy adjust arm which provides height adjustment to 10" above mounting surface and 4" below mounting surface allowing you to alternate between sitting and standing positions. Tilt is adjusted by dialing tilt knob to desired angle. Sturdy platform has proprietary lateral adjustments for getting the keyboard exactly where you want it and an all-in-one platform with wooden construction to minimize bouncing. Articulating mousing platform adjusts in all directions, tilts forward and back, and can be mounted on the right or left side of the keyboard platform. Includes leatherette gel wrist rest with antimicrobial product protection for keyboard and mouse and a Precise™ Mouse Pad that can be placed to the left or right of the keyboard.Package Includes: Keyboard Tray with 23" Track; Gel-Filled Wrist Rest; 3M™ Precise™ Mouse Pad with Battery Saving Design