Features: l* Multiple SONY, HITACHI, LG, CNB camera module available l* English OSD menu with pass word protection and all functions and diameters can be set via OSD l* Built-in multi protocols such as Pelco-P, Pelco-D l* Support PT angle, camera zoom times and inner operation status display l* Hot plug design for quick electrical connection and easy maintenance l* Support high speed video freeze, wide dynamic range, black light compensation available l* Proportional speed change: PT speed changes proportionally with les zoom l* Back up memory function and restore original position when power on l* 255 presets with