... convenient data storage.12.Supports full range of intelligent mobile phones of Symbian,Windows Mobile OS. ... HDD,U diskPTZ control interfaceRS485PTZ control modeManual control,automatic trackingrecording/drawing saved locationLocal host,mobile phone ... sensor disconnect alarmAlarm actionBuzzer,telephone,SMS,recording,drawing,automatic tracking PTZSECURITYAuthentication modeThe three layer local security ...