Dual PurposeTemperature Range-4F to 122F (-20C to 50C), Accuracy: 2F (1C). The fridge thermometer comes with Min/Max function, Not only can be used in fridge, freezer; But can also act as a general thermometer for indoor or outdoor use. Hook for standing or hanging: You have 2 different choices for placing this refrigerator thermometer. Use the stand to place it on top of the table, or turn the stand and use the hook to hang it on a refrigerator shelf. Mini design, won't take up too much space of your fridge. C/F Switchable and Min/Max Record: Simple to use this freezer thermometer with 3 buttons, just press the on/off button to turn on/off the thermometer. Press the c / f button to select Centigrade or Fahrenheit. Once you restart the thermometer, the max/min temperature will also be reset. Waterproof design: Waterproof structure, IPX3 level, can withstand refrigerator or freezing humidity, more durable and safer. Easy to read: This refrigerator thermometer has an easy-to-read electronic LCD display. You can know the exact temperature (max/min temp/immediate temp) of your freezer all the time ect.