3 Axis joystick for controlling Pan/Tilt/Zoom and operate the OSD menu 5-inch color LCD screen 4-Channel processor OSD menu 4-channel looping camera video output Multi-protocol、baud rate range: 2400Bps-19200Bps RS-485 and RS-232 output.It can control many front end equipments, including intelligence Dome Camera、decoder、processor etc.