... as iPhone, Blackberry, Android, Symbian and Windows mobile, module by USB 2.0 portMultiple control ... & FTPAudioAudio CompressionG711ABidrectional TalkSupportRecord & PlaybackRecording ModeManual>Alarm>Video Detection>ContinuousPlaybackMulti channels playback simultaneously,pause,stop,rewind, ... second)Storage & BackupSpace OccupationAudio 28.8MB/H ;Video 25-450 MB/HRecord StorageLocal Hard disk and ...