1 Channel Mini Mobile SD DVR for Car/Bus Security System / Vehicle Security Solutions with Motion Detection MDVR 1.Motion detection 2.Resolution: D1 (704*576), VGA (640*480), QVGA (320*240) 3.Frame: 5, 15,30f/s optional 4.Timestamp on videos and images 5.Mpeg-4/ASF video format, MP3 audio format