... patrols 2.LCD screen,OSD 3.RS-485/RS-422,multi-protocol 4.Left/Right,Up/Dowm,Rotating 3D joystick ... by key, fast and easy5) Unique control code study function, allows customers to modify control code instructions6) Updating new ... good compatibility, build in kinds of protocol13) Password function for keyboard operation Power InputDC12V, 2AModeRS485Control ProtocolPELCO-D, PELCO-P etcBaud rate1200bps ...