Package includes: You will receive 3 pieces of digital refrigerator thermometers, ideal for using and monitoring your refrigerator temperature, shelf bracket or bracket with hook, which can be used daily or for specific purposes CLEAR TO READ: Each of the digital refrigerator and freezer thermometers has a large and clear digital LCD display. The liquid crystal display offers a large reading room. You can get the measurements at a glance very quickly BEST TEMPERATURE MONITOR: The waterproof temperature thermometer has a minimum and maximum temperature recording function, which provides you with the historical temperature readings, so it is easy to monitor the temperature change of your refrigerator and double protection of your Food Safety Guaranteed > A WIDE RANGE AND ACCURATE READING: Our digital fridge/freezer thermometer can measure temperature ranges from -20/-4 50/122 with an accuracy of 1C/2F and 0.1/0.2 show Use this digital thermometer in your fridge, freezer, cold room or general space for food safety or other applications. EASY TO USE: Large display thermometers are all equipped with foldable hooks. You can hang them in the fridge or freezer, or simply store them on shelves or other flat surfaces. They are very compact and convenient to hold. Features: Clear to read: Each of the digital fridge and freezer thermometer has a large and clear digital LCD display. The liquid crystal display offers a large reading screen. You can get the measurements at a glance very quickly. Easy to use: Large-screen thermometers are all equipped with foldable hooks. You can hang them in the fridge or freezer, or simply place them on shelves or other flat surfaces, very compact and easy to store. Specifications: Size: 8.8 x 4.5 x 1.3 cm 3.5 x 1.7 x 0.5 inch Minimum temperature display: -20 / -4 F Maximum Temperature Display: 50/122 Accuracy: 1C / 2F Resolution: 0.1 / 0.2 Color: white Material: ABS, stainless steel Note: Replace the battery when the reading becomes erratic or the display brightness decreases. Open the screw and ABS shell and replace with a new CR2032 battery.