Professional IP & Serial PTZ Camera Joystick Controller Cross protocol mix control with IP/ RS 422/ RS 485/ RS 232 Control protocol by VISCA, VISCA Ove r IP, Onvif and Pelco P&D Control up to 255 IP cameras on one single network 3 camera quick call up keys, or 3 user-assignable keys Tactile feel with professional rocker/seesaw switch for zoom controling Auto search available IP cameras in one network and assign IP addresses easily Multi color key illumination indicator directs operation to specific functions Tally GPIO output for indicating the camera be currently controlled Aluminum alloy housing with 2.2 inch LCD display, joystick, 5 rotation button Supports both PoE and 12V DC power supplies