The video shows a close-up of a thermometer with a glass tube and a white background. The tube is filled with a yellowish liquid, and the numbers on the thermometer are in black. The numbers on the left side of the tube are 20, 30, 40, and 50, while the numbers on the right side are 10, 20, 30, 40, and 50. The tube is positioned in the center of the frame, and the numbers are clearly visible.