Increase comfort & productivity by placing your keyboard & mouse at a proper level. This keyboard has a sit / stand easy adjust arm that 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. 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.