In the video, a person is holding a small electronic device with a grid of lights on it. The person is using their fingers to press on the lights, causing them to turn on and off. The lights are arranged in rows and columns, and the person is pressing on them in a specific order. The device appears to be a small circuit board with LED lights. The person's fingers are moving quickly, and the lights are flashing in a pattern. The background is blurred, but it seems to be a dimly lit room.