Package includes: you will receive 4 pieces of thermometer for refrigerator, convenient for you to use and monitor your refrigerator temperature, indicating for food a safe temperature range Large indicator: the dial with red indicators of the refrigerator thermometer is large 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 Safe temperature zones: measurement range of the classic series large dial thermometer is -20 to 80 ℉/ -30 to 30 ℃, the 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 fresh 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