ORIA Digital Refrigerator Thermometer, Mini Freezer Thermometer, Refrigerator Freezer Waterproof, LCD Display, / Switch + Max/Min Record, for Kitchen, Home, Restaurants, Bars (Battery Included) Wide Range: 2F(1C): The temperature can range from -4F to 122F (-20C to 50 C) and it is accurate. Allowing you to use this in the fridge or freezer. it can act the role of general thermometer for indoor or outdoor. Two Portable Ways: You have two different choices for placing this indoor thermometer. Either use the stand to place it on the table-top, or flip the stand over and use the hook to hang it on a refrigerator shelf. It doesn't take too much places of your fridge because of the Mini design. Ipx3 Waterproof: Waterproof structure (waterproof level IPX3) can resist the damp of the refrigerator or freezer room, making sure that it is working in a safe and consistent manner. Simple & Intelligent Operation: There are only 3 buttons Simple electronic thermometer. Just press the on or off button to switch the thermometer on/ off. Press C/ F button to select centigrade or fahrenheit. Once you reboot the thermometer, the max/ min temperature will be reset. Easy to Read Display: It is easy for us to read electronic LCD display. The information on the screen can tell us the max, min and the current temperature at the same time. You can learn the accurate temperature info of your freezer room all the time.