In the video, a person is holding a small device in their hand. The device has a red light on the back of it. The person is using their thumb to press on the light, causing it to turn on and off. The person's hand is visible in the frame, and they are wearing a blue jacket. The background is dark and blurry, but it appears to be an outdoor setting. The person's thumb is the main focus of the video, as they repeatedly press on the light to demonstrate its functionality.