... 264 Baseline Profile video compression/decompression with configurable quality·ADPCM audio compression/decompression·Real sixfold operation - simultaneous record, live, ... ” or 2.5” hard disk drive·Video/audio backup to SD card or USB2.0 storage devices, including pen drive ... or proprietary remote software, remote alarm notification, FTP video/audio storage, remote setup, and remote software upgrade·1 I ...