This durable security enclosure and sturdy arm mount combines a generous set of adjustments, joints, and pivot points, convenient clamp, and case transforms any counter, desk, or table into a versatile digital workspace. The arm installs easily using an adjustable scratch-protected C-clamp. The VESA plate at the top easily attaches to our bestselling tablet enclosure (or other VESA-compatible cases). The enclosure features a powerful lock and key security system that protects your device, making this the perfect mount for the office, classroom, restaurant, or retail location. The mount features a full 90-degree rotation for use in either landscape or portrait orientation. The spring-loaded elbow joint adjusts 180-degrees. To create the perfect work angle, simply loosen the mid joint with the included Allen wrench, position, and tighten. The base joint rotates 135-degrees to facilitate just the right viewing angle. At the base of the mount, you'll find a handy USB extension port for easy charging while in use. Just plug the attached USB cables into a computer or other power source, then plug your tablet directly into the base of the stand. Interior cable routing system within the arms gives ample space to keep cords out of site.