School_Teach 21072019 1540 MyFreeCamsJuly 21, 2019 School_Teach 21072019 1540 MyFreeCams Size: 56263714 bytes (53 MB), duration: 00:17:52, avg.bitrate: 410 kb/s Video: h264, yuv420p, 640×480, 24 fps Audio: aac, 16000 Hz, mono