Refrigerator Thermometer Lcd Display Digital Waterproof Freezing Thermometer With Magnetic Crochet Refrigerator Thermometer 2 Black (-20 ~ 50 ) - The product is shipped based on the color or size of the main image of the product page. Large LCD screen and waterproof function: -You can read the measurement results at a glance thanks to the big LCD screen easy to read. It's good help for people who do not have the best vision. The waterproof IPX3 structure can withstand the moisture of the refrigerator or freezer, please make sure it operates safely and consistently. Save the lowest and highest temperature: -Provide historical temperature readings. With this function, you can easily monitor temperature changes in the refrigerator and protect food security in two ways. Simple and Intelligent Operation: - 3 Buttons are required to use the thermometer easily. Simply press the On / Off button to turn on / off the thermometer. Press the C / F button to select Celsius / Fahrenheit. Press the CLR button to remove maximum / minimum records. Restart the thermometer and maximum / minimum recording will be reset. 2 portable placement methods: -You can place the bracket on the desktop, or you can return the bracket and hang it on the refrigerator shelf with a hook. The mini design does not take too much space in the refrigerator. It is very compact and easy to transport. Temperature and precision range: Temperature range -20 ~ ~ 50 (-4 ~ 122 ), High Precision ( 1 C / 2 F). You can use it in refrigerators, freezers or as an inner thermometer to ensure food security or other purposes. The digital freezing thermometer with user-friendly design, the perfect assistant for food preservation Highest Temperature Recording / Lower Large LCD Screen LCD IPX3 Waterproof Put it aside or Connect it 3 single buttons Switch C / F Suitable for freezers, refrigerators, houses, restaurants, bars, cafes, etc. specifications: Temperature range: -20 C-50 C / -4 F-122 F Accuracy: 1 C / 2 F Resolution: 0.1 C / 0,2 F Waterproof structure: IPX3 quality Operating voltage: Battery 1 * 3V CR2032 Size: 8.7 x 1.2 x 4.5 cm / 3.4 x 0.5 x 1.8 inches Weight: 45.4 g How to replace the battery: If playback becomes unpredictable or the clarity of the display decreases, replace the battery. Open the screws and the ABS housing, and then replace the CR2032 battery with a new one. Note: Restart the thermometer and the maximum / minimum temperature will be reset. After receiving the error message, please restart it. the package includes: 1 x Instruction manual 2 x digital refrigerator thermometer (without battery)