20-inch (51 cm) height range allows users to move between sitting and standing positions while they interact with the display Extends LCD up to 33' (84 cm); push your display out of the way when not in use Increase viewing comfort-help reduce eye, back and neck strain Upgrade LCD monitors and TVs with improved ergonomic adjustment Patented CF motion technology provides premium ease-of-use adjustment Cable management feature routes cables under the arm, out of the way Ideal for space-constrained spaces-folds to within 4.5' (12 cm) of wall in storage position Secure installation-locking connections between arm, extension and base Passes Ergotron's 10,000-cycle motion test, which ensures a minimum of five years trouble-free height adjustment