... DVR *Built-in web server, Support CMS, NAT traversal *4 Channel D1 Dual-stream Video Compression Standalong Security DVR , ... Motion Detection, camera blank video loss *Easy backup: USB devices, network download *Built-in web server, Support CMS, NAT traversal ... for privacy masking for each cameraOSDCamera title, time, video loss, camera lock, motion detection, recordingRecordingVideo/Audio CompressionH ...