... Digital Video RecordH-264 CompressionSupport networkMax support 2000GB SATA HDDTrue full-duplex function, video, playback can work at the same timeControl :1 ... Output1 channelPlayback&BackupPlayback FunctionsPlay,Pause,Stop,Fast play,Slow play,Full screen,Backup selectionBackup ModeFlash drive,USB HDD,USB CD,Network ...