Measures temperature ranges is -20 to 80 ℉/ -30 to 30 ℃, can easily see the different temperature zone indicators noted on the dial, make sure your food is being stored at the proper temperature and stay fresh. An easy-to-read extra-large screen provides easy and quick read, the dial displays proper temperature zones for refrigerator and freezer, ensuring a safe temperature zone for your food. Automatic temperature sensing, refrigerator thermometer is not power by battery, you can get rid of frequent battery replacement. Made of stainless steel, sleek in design, durable and waterproof in use, can be placed steadily, no need to worry corrosion. Wide base make it stand still on any flat surfaces within the fridge or freezer, and the integrated hook allows hanging from a rack or specific drawers. Our refrigerator thermometer is perfect for traditional refrigerators, mini fridges, freezers, coolers, or any cooling based food appliance.