The video shows a close-up of a turbocharger, which is a device used to increase an engine's efficiency and power output by forcing extra compressed air into the combustion chamber. The turbocharger is made of metal and has a series of blades that spin rapidly as the engine runs. The video captures the turbocharger in motion, with the blades creating a blur due to their high speed. The background is mostly obscured by the turbocharger, but it appears to be a car's engine bay.