The video shows a person's hand holding a black marker and drawing on a white piece of paper. The person is drawing a circuit diagram with various components, including a battery, a transformer, and a radio frequency (RF) amplifier. The diagram also includes a voltage indicator and a frequency indicator. The person is seen drawing arrows to indicate the flow of electricity through the circuit. The video is shot from a top-down perspective, and the person's hand is the only part of them visible. The drawing is simple and appears to be a rough sketch rather than a detailed diagram.