... compression standardADPCMVIDEO CAPTURE Way of recordingLocal recording, mobile phone remote recording,PC remote recordingRecording modesTiming recording,alarm recording,manual temporary recordingWay of drawingLocal drawing ... alarm,video loss alarm,sensor disconnect alarmAlarm actionBuzzer,telephone,SMS,recording,drawing,automatic tracking PTZSECURITYAuthentication modeThe three layer local security ...