In the video, a person is holding a device with a screen in front of a car. The device is connected to the car with a wire. The person is using the device to scan the car's system. The screen of the device displays various information about the car's performance. The person seems to be checking the car's engine, transmission, and other systems. The device is likely a diagnostic tool used by mechanics to identify and fix issues with a car. The video provides a close-up view of the device and its screen, allowing viewers to see the details of the information being displayed.