Temperature Range Accuracy- The temperature range of -2050(-4~122) with high accuracy (1C / 2F). You can use it in the fridge, freezer or as a room thermometer for food safety or other applications. Large LCD display Waterproof- You can read the measurement at a glance with an easy-to-read extra large LCD screen. Good helper for people who dont have the best eyesight. Waterproof structure can withstand the humidity of the cold room or the freezer room, make sure it works in a safe and consistent way. Min Max Records- It provides the historical temperature readings. With this function, you can easily monitor the temperature change of your refrigerator and doubly protect your food safety. Simple and Smart Operation- Easy-to-use thermometer with only 3 buttons. Just press on or off button to turn the thermometer on/off. Press C / F button to select Celsius / Fahrenheit. Press CLR button to clear Max/Min record. When you restart the thermometer, the Max/Min record will be reset. 2 Portable Placement Ways- You can either place the stand on the tabletop, or flip the stand and use the hook to place hang it on a cooling rack. Mini design wont take up too much space in your fridge.