The video shows a person using a soldering iron to repair a circuit board. The person is seen holding the soldering iron and applying it to the circuit board, which is placed on a surface. The circuit board has various components and wires attached to it. The person's hand is visible, and they are wearing a red glove. The soldering iron is being used to melt and apply solder to the circuit board. The video is shot from a close-up angle, focusing on the person's hand and the circuit board.