In the video, a person is seen holding a red and black wire and plugging it into a white power supply. The power supply has a digital display on the front, which shows the voltage and current. The person then removes the wire and replugs it back in, testing the connection. The power supply is placed on a white surface, and the person's hands are visible as they handle the wires and the power supply. The video is shot in a well-lit room, and the focus is on the person's hands and the power supply.