We need 3 video instruction to explain various part of our system.
Video 1 - Test lesson
(5 min - good quality)
Video 2 - Your language school presentation
(20 min - average quality)
(a voice over from another actor might be needed for this video (provided by me)).
Video 3 - EbP (how it works video)
(5 min (as less as possible) - top quality)