... four-sided zones for privacy masking for each cameraOSDCamera title, time, video loss, camera lock, motion detection, recordingRecordingCompressionH.264 / MPEG4Recording ... etc)Max Remote Users20 Users simultaneouslyRemote OperationMonitor, PTZ control, Playback, System setting, File download, Log informationHard DiskHard Disk8 SATA ports, 8 ... 100mm(W×D×H)Weight6.0KG(without HDD) cctv nvr system