Increase comfort & productivity by placing your keyboard & mouse at a proper level. This keyboard has a sit / stand easy adjust arm which provides height adjustment to 10" above mounting surface & 4" below mounting surface allowing you to alternate between sitting & 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 & an all-in-one platform with wooden construction to minimize bouncing. Articulating mousing platform adjusts in all directions, tilts forward & back, & can be mounted on the right or left side of the keyboard platform. Includes leatherette gel wrist rest with antimicrobial product protection for keyboard & mouse & a Precise Mouse Pad that can be placed to the left or right of the keyboard. Workstation Type: 90 Corner; Curved; Diagonal; Straight; Sit-to-Stand Option: Yes; Weight Capacity: 70 lb; Height (+/- Desktop): +10" Above to -4" Below.