... , time recording, alarm recording StorageSD cardVehicle recording Recording Vehicle operation (turn left/right, stop lamp), license NO. ,route, driverSystem Protection Saving the ... main machinemodule expansionNULLGPS/G-SENSROGPS/G-SENSRO/3GPTZ controlNULLRS232 can turn to PTZ interfaceAlarm I/ONULL1ch input,1ch outputBatteryWide Voltage Range ...