Multiple joint arms hold screen 2.5" from wall when retracted and 21.04" when fully extended. Smooth tilt adjustments of +15° (forward) and -5° (back) with a locking knob and 3° side-to-side roll facilitates a variety of viewing angles and perfect screen positioning. Makes a secure installation quick and easy, simply hang the screen and turn the pre-assembled securing screws to lock in place. Integrated cable management for clean look.