The video shows a close-up of a candy thermometer with a red line indicating the temperature. The thermometer is placed inside a pot of oil, and the red line moves up and down as the temperature changes. The pot appears to be on a stove, and the oil is bubbling around the thermometer. The thermometer is made of metal and has black markings with numbers indicating the temperature in degrees. The red line moves from the bottom to the top of the thermometer, indicating that the temperature is rising.