The video shows a person's hand holding a flashlight and pointing it at the underside of a car. The person then sprays a substance from a can onto the underside of the car. The substance appears to be some kind of lubricant or protective coating. The person then wipes the substance with a cloth. The car appears to be parked in a garage or workshop, and the underside of the car is dirty and greasy. The person's hand is steady, and the flashlight provides good illumination of the area being treated.