indicator: the dial with red indicators of the refrigerator thermometer is enough for providing a clear, easy and quick read, the dial displays proper temperature zones for refrigerator and freezer, ensuring a safe temperature zone for your food Stainless steel thermometer: the refrigerator thermometers are made of stainless steel, sleek in design, durable and waterproof in use, can be placed steadily, not afraid of corrosion Easy to install: the wide base on the temperature thermometer make it stand still on any flat surfaces or specific drawers within the fridge or freezer, and the integrated hook allows hanging from a rack or specific drawers within the fridge or freezer Safe temperature zones: Different temperature zone indicators are noted on the dial, can easily see during use, your food is being stored at the proper temperature and stay . Measurement range: -20 to 80 Fahrenheit/ -30 to 30 Celsius Colour:Silver Material:stainless steel Size:6.2*7.5cm Dial size: 2 inch in diameter Package Contents: 3 *Thermometer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.