Video Surveillance 3 Axis ptz controller Display current protocol with real time baudrate Refurbish firmware program on line Video suveillance 3 Axis PTZ ... half-duplex Cascade connection number16 sub-control at most,controller ID:0-15Joystick3-Axis(control:up,down,left,right, ... -20-70°CDimension (mm)420X260X170Weight (Kg)BT mode:2.3, B mode:2.2 Video Surveillance 3-Axis PTZ Keyboard Controller