... -P: 4 channel@D1, 4 channel@720P, 4 channel@1080P IP camera inputs, 1 channel audio inputs ... StopRecording PriorityManual >Alarm >MD >RegularRecording Interval1~120 min (default: 60 min)Video Detection ... camera, DVR, NVS etc)Max Remote Users20 Users simultaneouslyRemote OperationMonitor, PTZ control ... InterfaceUSB Interface2 ports, 1 for mouse control, 1 for backupRS232keyboard, PC communicationRS485PTZ ...