CCTV Accessories PTZ Control Keyboard RS485 Half-duplex Control PTZ,DVR PTZ Specification Power supplyDC12V±10%/50HZTemperature-10°C----+50°CHumidity≤90%RH(no cream node)CommunicationRS485 Half-duplexBaud Rate1200bps,2400bps,4800pbs,9600pbs,19200pbsInterface5PIN pressure Lin TerminalThat wayThe LCD screenExterior size300(L)*160(W)*106(H)mm