In the video, a man is seen sitting in the back seat of a car, demonstrating how to install a child seat. He is wearing glasses and a black shirt, and the car seat is gray. The man is using his hands to adjust the straps of the seat, ensuring that it is securely fastened. He appears to be speaking, possibly explaining the process of installation. The car seat is positioned on the back seat of the car, and there are no other visible objects or people in the video.