The 400 Series carries an LCD through a vertical range of 24 inches (61 cm), which allows viewing sitting, standing or anywhere in between. Its rugged construction makes it perfect for industrial applications.Benefits- Maximum ergonomic adjustment- Rotate screen for portrait viewing of pages—eliminate scrolling- Simple to use—easily change placement of screen- Easy to clean; suitable for clean room operations- Incredible 24 inches (61 cm) of vertical motion for true sit-to-stand height positioning—the most for any wall mounted arm- Cable management conceals as it routes cables- Pre-assembled arm offers display theft deterrence