... privacy masking for each cameraOSDCamera title, time, video loss, camera lock, motion detection, recordingRecordingCompressionH.264 ... camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoomBackup ModeFlash drive/ USB HDD/ USB CD&DVD-RW ... DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS ... )Weight3.0KG(without HDD) digital video recorder camera dvr