1. VERSATILE FUNCTIONALITY: The PTZ controller comes with a multifunctional operating keyboard that easily controls camera PTZ, dome, and lens, bringing you a wide range of uses.2. SIMPLE Easy to use, suitable for various user needs. Ideal for controlling up to 32 NVR DVRs, 256 ball cameras, and PTZ, fits various user needs.3. LONG DISTANCE : PTZ keyboard comes with RS485 232 interfaces, offering and stable control over a distance up to 1.2KM.4. CENTRALIZED CONTROL: The PTZ controller can centrally control multiple NVR hard disk recorders, which significantly improves operational efficiency.5. WIDE COMPATIBILITY: The PTZ keyboard features selectable protocols and baud rates that can cater to different equipment requirements.Specification:Item Type: PTZ ControllerMaterial: ABSPower Consumption: Less than 5WInterface: RS485 BusDistance: Approx. 1500m / 4921.26ft (0.5mm twisted pair)Protocols: For PELCO-D, for PELCO-P, ADBaud Rate: 1200, 2400, 4800, 9600, 19200Parameters: 8 data bits, 1 stop bit, no parityControl Stick: Three dimensional (joystick controls ball machine up, down, left, right, twisting controls ball machine zoom)Display: LCDVoltage: 100-240VHow to Use:Plug and playPackage List:1 x Keyboard1 x User Manual1 x Adapter