In the video, a person is holding an orange thermometer and pointing it towards a fish tank. The person is using the thermometer to measure the temperature of the water in the fish tank. The fish tank is filled with water and has several fish swimming in it. The person is wearing a black shirt and has a watch on their left wrist. The fish tank is placed on a black surface, and there is a tree branch inside the tank. The thermometer has a digital display that shows the temperature reading.