In the video, a person is seen holding a yellow square ruler and using it to measure a wooden beam. The ruler is placed against the beam, and the person's hand is visible as they adjust the ruler to get an accurate measurement. The beam appears to be part of a larger wooden structure, possibly a wall or a floor. The ruler is marked with measurements, and the person's hand moves along the ruler to ensure that the measurement is precise. The video is shot in a well-lit environment, and the focus is on the ruler and the person's hand.