The video shows a person using a Foxwell device to diagnose a car's engine. The device is orange and black in color and is connected to the car's engine via a cable. The person is seen pressing buttons on the device, and the screen displays various readings and codes related to the car's engine. The video provides a close-up view of the device and its screen, allowing viewers to see the readings clearly. The person's hand is visible as they operate the device, and the car's interior is partially visible in the background.