In this video, a person is using a KitchenAid stand mixer to mix a yellow batter. The mixer is set to a speed of 6, and the person is using a spatula to scrape the sides of the bowl to ensure that the batter is mixed evenly. The person's hand is visible in the frame, and the mixer is silver in color. The batter appears to be thick and creamy, and the mixer is in motion, indicating that the batter is being mixed.