... DH-NVR3216> 4/8/16 channel 1U standalone Network Video Recorder> Dual-core CPU presents the powerful preview, recording, ... zones for privacy masking for each cameraOSDCamera title, time, video loss, camera lock, motion detection, recordingRecordingCompressionH.264 / ... camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoomBackup ModeFlash drive / USB HDD / USB CD&DVD-RW ...