In the video, a person is seen pointing to a blue wire that is connected to a black device. The device appears to be a piece of machinery with various components and wires attached to it. The person's hand is visible, and they are using their index finger to point at the blue wire. The background is blurred, but it seems to be a workshop or garage setting. The person's actions suggest that they are explaining or demonstrating something related to the blue wire and the black device.