The video shows a close-up of a circuit board with wires connected to it. The board is placed on a wooden surface, and there is a blue light that is turned on. A person's hand appears in the frame and touches the board, causing the light to turn off and on. The board has several components, including resistors and capacitors, and the wires are connected to different points on the board. The light appears to be an LED, and the person's hand seems to be controlling the light with a touch sensor.