School_Teach 17042017 2019 MyFreeCamsApril 25, 2017 School_Teach 17042017 2019 MyFreeCams Size: 70655257 bytes (67 MB), duration: 00:20:08, avg.bitrate: 456 kb/s Video: h264, yuv420p, 640×480, 24 fps Audio: aac, 16000 Hz, mono