1, PTZ 3 axis keyboard joystick controller 2, Display the protocol with real time baudrate ... , RS485 port 4. Metal shell 3 Axis Keyboard joystick Control1, Unique control code study function, the customer ... half-duplexCascade connection number16 sub-control at most,controller ID:0-15Joystickcontrol:up,down,left,right,zoomInterface ... mm)420X260X170Weight (Kg)2.8 3 Axis Keyboard Joystick Controller