Feature:1. NETWORK PROTOCOL: PTZ camera controller supports standard network monitoring protocol. Good compatibility, strong scalability, simple operation, and perfect control of network dome cameras can be achieved in just a few steps.2. WIDE COMPATIBILITY: The PTZ camera controller is based on for Linux and is compatible with most dome security and monitoring cameras. the controller can be paired with some limited cameras, set preset patrol mode and AB scanning.3. VARIOUS USAGE PLACES: The pan tilt camera controller can be widely used in various important places, such as public security, telecommunications, courts, banks, schools, etc.4. EASY TO OPERATE: This controller with a joystick and a LCD display is easy to operate, ensuring an accurate and stable operation.5. IDEAL CONTROLLER: This controller keyboard is good addition to your security system. All the input and output communication interfaces are universal to match with your equipment.Specification:Item Type: 3D PTZ Camera KeyboardPower Consumption: Less Than 5wCommunication Interface: RS485 BusCommunication Distance: Up to 1500m / 4921.26ft (approx.), with 0.5mm twisted pair. Communication Protocols: For PELCO-D, for PELCO-P, for AD. Baud Rate: 1200, 2400, 4800, 9600, 19200, 38400pbs. Communication Parameters: 8 data bits, 1 stop bit, no verification. Joystick: 3D, joystick controls the ball machine up, down, left, and right. Display: LCD.Package List:1 x3D PTZ Camera Keyboard1 x Power Plug1 x User Manual