1. Larger Screen, Better Reading: This refrigerator thermometer has a 2.56-inch electronic LCD screen, the information on the screen shows max, min, and current temperature simultaneously. Powered by a 3 Volt model CR2032 lithium battery (included). You can always see the exact temperature information in your freezer. 2. Easy to use: Simple electronic thermometer with only 3 buttons (on the back). Just press the on/off button to turn the thermometer on/off. Press the C/F button to select Celsius or Fahrenheit. When you restart the thermometer, the max/min temperature will reset. 3. Wide temperature measurement range: Accuracy 2F. Resolution: 0.2F. The temperature can range from -4F to 122F and is accurate. Allows you to use it in the refrigerator, freezer. It can function as a general thermometer for indoor or outdoor use. 4. Portable ways: You have 3 different options for placing this indoor thermometer. Either use the stand to place it on the table, flip the stand and use the hook to hang it on a refrigerator shelf, or adsorption to the adsorbable material with a magnetic back. Mini design and does not take up too much space in your refrigerator. 5. IPX3 Waterproof: Waterproof structure (IPX3 waterproof) can withstand the moisture in the refrigerator or freezer, ensuring it works safely and consistently.