Feature:1. GOOD COMPATIBILITY: This PTZ camera controller is compatible with most dome security and monitoring IP camera, set preset patrol mode and AB scanning2. MONITORING PROTOCOL: The PTZ camera keyboard controller supports standard network monitoring protocols, with easy operation, and has strong scalability.3. COMM PARAMETERS: The controller adopts RS485 bus comm interface, with a comm distance of up to 1500 meters (0.5mm twisted pair), has strong practicality.4. 2D JOYSTICK AND LCD: The analog dome camera controller uses 2D joystick to control the up, down, left, and right, equipped with LCD display, clear and intuitive.5. APPLICABLE SCENES: The PTZ camera controller is widely used in public security bureau, government, telecommunication department, procuratorate, court, bank, education, taxation, etc.Specification:Item Type: Analog PTZ Keyboard ControllerPower Consumption: Less than 5WComm Interface: RS485 BusComm Distance: 1500 meters (0.5mm Twisted Pair)Comm Protocol: For PELCO-D, for PELCO-P, ADComm Parameter: 8 data bits, 1 stop bit, no verificationJoystick: 2D (Joystick Control Up, Down, Left, Right)Display: LCD.Package List:1 x Analog PTZ Keyboard Controller1 x Power Plug1 x User Manual