In the video, a person is holding a brass-colored gauge with a clear tube attached to it. The person's hands are visible, and they are manipulating the gauge. The gauge has a circular dial with numbers and markings on it, and the clear tube has measurements marked on it as well. The person's fingers are turning the knobs on the gauge, and the tube is being adjusted accordingly. The background is dark, and the focus is on the gauge and the person's hands.