Package includes: each pack contains 4 refrigerator thermometers, which can meet your needs, make it easy for you to use and observe the refrigerator temperature, and specify a safe temperature range for food Usage: the widened base of a refrigerator thermometer allows it to stand still on any flat surface or specific drawer in the refrigerator or freezer, and the hook can be suspended on a shelf or specific drawer in the refrigerator or freezer Large indicator: refrigerator thermometer dials with red arrow symbols are large enough for you to read clearly and quickly; the dials show the temperature range, which are suitable for the refrigerator and freezer, thus keep the safe temperature range for food High quality material: the refrigerator thermometer is made of stainless steel, not easy to corrode, durable, waterproof and can be placed firmly anywhere Temperature range: the thermometer can measure temperature ranged from -20 to 80/-30 to 30, the dial is marked with different temperature zone indicators; you can keep track of the temperature of the refrigerator through the thermometer to help maintain better taste and freshness of food Specifications: Material: stainless steel Color: as shown in the picture Dial size: 2 inches in diameter Measurement range: -20 to 80/ -30 to 30 Package includes: 4 x Refrigerator freezer thermometers