The video shows a close-up of a car engine. The engine has a blue hose attached to it, and there is a yellow cap with the words "HHO ELECTRO" written on it. The cap is being held in place by a person's hand. The engine appears to be in good condition, and the hose is connected to a part of the engine. The video does not show any movement or action, and there are no other objects or people visible in the frame.