... Interval1~120 min (default: 60 min)Video Detection & AlarmTrigger EventsRecording, PTZ movement, Tour, Alarm, Email, FTP, Buzzer & Screen tipsMotion DetectionZones: ... camera, DVR, NVS etc)Max Remote Users20 Users simultaneouslyRemote OperationMonitor, PTZ control, Playback, System setting, File download, Log informationHard DiskHard ... 480mm×440mm×100mm(W×D×H)Weight6.0KG(without HDD) cctv nvr system