In the video, a young man is seen holding a flashlight in his mouth. He then proceeds to use the flashlight to illuminate his teeth. The man appears to be examining his teeth closely, possibly to check for any issues. The flashlight is bright and appears to be a standard handheld model. The man's teeth are visible and he seems to be in a well-lit room. The video is shot from a close-up angle, focusing on the man's face and the flashlight.