... Android, Symbian and Windows mobile, module by USB 2.0 portMultiple control methods:front panel,IR remote ... controller,USB mouseSupport 2*USB 2.0 port for mouse,backup,DVD-RW, ... snapshot & FTPAudioAudio CompressionG711ABidrectional TalkSupportRecord & PlaybackRecording ModeManual>Alarm>Video Detection>ContinuousPlaybackMulti channels playback simultaneously,pause,stop,rewind,fast ...