Refrigerator Thermometer Lcd Display Digital Waterproof Freezer Thermometer with Magnetic Hook Fridge Thermometer 2 White (-20~50) -Product is shipped according to the color or size of the main picture of the product page. [Large LCD display and waterproof function] - You can read the measurement results at a glance with the large, easy-to-read LCD display. It is a good helper for people who don't have the best vision. IPX3 waterproof structure can withstand the humidity of fridge or freezer, make sure it works safely and consistently. [Record the lowest and highest temperature] -Provide historical temperature readings. With this function, you can easily monitor temperature changes in the refrigerator and protect food safety in two ways. [Simple and smart operation] - 3 buttons are required to easily operate the thermometer. Simply press the On/Off button to turn on/off the thermometer. Press C/F button to select Celsius/Fahrenheit. Press the CLR button to delete the maximum/minimum records. Restart the thermometer and the maximum/minimum record will be reset. [2 Portable Placement Methods] -You can place the stand on the desktop, or you can turn the stand over and hang it on the refrigerator shelf with a hook. The mini design does not take up too much space in the refrigerator. It is very compact and easy to carry. [Temperature Range and Accuracy] Temperature range -20 ~ ~ 50 (-4 ~ 122), high accuracy (1 C / 2 F). You can use it in refrigerators, freezers or as an indoor thermometer for food safety or other purposes. The digital freezer thermometer with a user-friendly design, the perfect assistant for food preservationRecording the highest / Lower temperatureLarge LCD waterproof LCD displayIPX3Put it aside or connect it3 simple buttonsC/F switchSuitable for freezers, refrigerators, homes , restaurants, bars, cafes, etc.specifications:Temperature range: -20 C-50 C / -4 F-122 F Accuracy: 1 C / 2 FResolution: 0.1 C / 0.2 F Waterproof structure: IPX3 grade Operating voltage: 1*3V CR2032 Battery Size: 8.7 x 1.2 x 4.5cm / 3.4 x 0.5 x 1.8inch Weight: 45.4 g How to replace the battery: If the reading becomes unpredictable or the clarity of the display decreases, replace the battery. Open the screws and ABS case, then replace the CR2032 battery with a new one. Noticed: Restart the thermometer and the maximum/minimum temperature will be reset. After you get the error message, please restart it. Package Include: 1 x Instruction Manual 2 x Digital Fridge Thermometer (without battery)