1) Speed dome camera 2) RS-485 multi-protocol. Pelco_P/D, ... cameras and auto read camera model when power on.4) The first designer of wide voltage in domestic, DC12V ... 20 English letters can independently set the titles for camera itself, Preset Position, Pattern Scan, Auto-level ... information display function, information query function.12) 8 dynamic privacy zones can setup.13) 8 display zones with ...