The video shows a person's hand pointing to a computer fan inside a computer case. The fan is located on the motherboard and is spinning at a high speed. The person's hand is moving around the fan, possibly to show the fan's speed or to demonstrate the sound it makes. The computer case is open, revealing the internal components of the computer. The fan is the only moving part in the video, and the person's hand is the only moving object. The video does not contain any other objects or actions.