... DVR2)4 channels Realtime full D1 recording, and real time multi channels playback3).Support VGA output and TV output ... at the same time,Genuine high definition VGA output4).Support Network and mobile ... PlaybackRecording ModeManual>Alarm>Video Detection>ContinuousPlaybackMulti channels playback simultaneously,pause,stop,rewind,fast play, slow play,next file,previous file ...