... .264 / G.711Image ResolutionD1/4CIF(704×576/704×480) / CIF(352×288/352×240) / QCIF(176×144/176×120)Encoding ... Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom(any size)Backup ModeFlash drive / USB HDD / USB CD&DVD-RW ... Playback, System setting, File download, Log informationHard DiskHard Disk1 SATA port, Max 2TB HDD supportedSpace OccupationAudio: 28.8MB/H, Video: 56 ...