In the video, a person is holding a blue device with a digital screen in front of a car's air vent. The device is labeled "DURATRAX" and "FLASHPOINT." The person presses a button on the device, and the screen displays the temperature of the air vent. The temperature is shown to be 60.3 degrees Fahrenheit. The person then presses the button again, and the screen displays "OFF" in red letters. The person then presses the button again, and the screen displays "ON" in red letters. The person then presses the button one more time, and the screen displays "OFF" in red letters again.