School_Teach 20032019 1923 MyFreeCamsMarch 20, 2019 School_Teach 20032019 1923 MyFreeCams Size: 327927859 bytes (312 MB), duration: 01:17:59, avg.bitrate: 547 kb/s Video: h264, yuv420p, 640×480, 24 fps Audio: aac, 16000 Hz, mono