Patent-pending precision gears provide exact projector image alignment; Tilts +/-20deg ; Rolls +/-10deg ; Swivels 360deg when mounted on extension column & +/-15deg when flush mounted on ceilings; 2 adjustment knobs control projector image alignment; Pre-assembled design reduces installation time; Horizontal wrench access slots make flush mounting installation fast & easy; Cable management allows cables to be routed through projector mount out of sight; U-shaped pitch bracket allows for hassle-free cable routing; Quick-release mechanism allows easy removal; Spider(R) universal adapter plate extends up to 17.63 to fit most projector models; Preinstalled security screws provide optional tilt & roll lock to prevent tampering with adjustment knobs;