PTZ Keyboard Controller -Control 255 PTZ -Display protocol with real time baudrate -Refurbish firmware program on line -3D CCTV System PTZ Keyboard controllerBasic Function ... ModeRS485 half-duplex Cascade connection number16 sub-control at most,controller ID:0-15Joystickup,down,left,right,zoom Interface Mode5PIN pressing ... (mm)420X260X170Weight(Kg)1.3 CCTV System 3-Axis PTZ Keyboard Controller