... , Audio, Network, 3.VGA 4.OEM CCTV DVR H. 264 Network Digital Video RecorderCCTV DVR Features:1. H.264 Real- ... 4. Dual-core CPU; Steady System Function;5. Playback, video, network transmission, mobile browsing, and backup etc. work ... screen real-time preview, settings, backup and playback video through IE; CCTV DVR Specification: BCS6504BCS5304Video CompressionH.264Video Preview ResolutionPAL:704 ...