The video shows a close-up of a person's hand holding a box containing two gears. The gears are made of metal and have teeth on their edges. The person is holding a piece of paper with a diagram of the gears and their specifications. The gears are shown from different angles, and the person rotates them to demonstrate their movement. The box is black, and the gears are silver in color. The person's hand is visible, and they are wearing a watch on their wrist.