The video shows a man standing in front of a chalkboard. He is wearing a white shirt and holding a red pencil in his right hand. The man appears to be speaking or presenting something, as he is gesturing with his left hand. The chalkboard behind him has some writing on it, but it is not clear what it says. The man seems to be focused on his task and is likely addressing an audience, although no audience is visible in the video. The setting appears to be a classroom or a similar educational environment.