1、COMPATIBILITY: The 4D joystick PTZ camera controller is for Linux based and compatible with most dome security and surveillance IP cameras. 2、MODE: PTZ camera controller keyboard can be paired with some cameras to set up preset patrol mode and AB scanning. 3、STANDARD NET SURVEILLANCE PROTOCOL: The 4D joystick PTZ camera controller supports standard net surveillance protocols. Good compatibility and scalability. 4、EASY OPERATION: PTZ camera controller is easy to operate, just a few steps to realize perfect control of net dome camera. 5、VARIOUS USE PLACES: PTZ camera controller keyboard can be widely used in various important places, such as public security, surveillance, telecommunication department, procuratorate, court, bank, education, taxation, etc. Item type: Joystick Analog PTZ Camera Keyboard Material: ABS Power Consumption: Less than 5W Communication Interface: RS485 bus Communication Distance: 1500 meters (0.5mm twisted pair) Communication Protocol: For PELCO D, for PELCO P, for SAMSUNG, for AD, etc Baud Rate: 1200, 2400, 4800, 9600, 19200 Communication Parameters: 8 data bits, 1 stop bit, no parity Joystick: 4D (joystick control ball machine up and down, left and right, twisting the joystick ball machine can be zoomed, rocker more OK button) Display: LCD 1 x Joystick Analog PTZ Camera Keyboard 1 x Plug 1 x Manual