High-quality dual-arm articulating (extend, tilt, swivel and pan) mechanism allows quick and easy viewing angle adjustment. Separate VESA plate makes super easy to hook your monitor onto the arm. Look at the front horizontally makes your eyes from fatigue. Rotation +-180 degree and Swivel +-90 degree improve posture and be more comfortable. Articulating Mechanism extend monitor from wall 1.73 to 11.10 inches achieving the best visual