Measurement Range The refrigerator thermometer has a temperature range of -20C to 50C / -4F to 122F, with a measurement accuracy of 1C / 2 f. High-precision temperature measurement brings more safety to food in your refrigerator. MIN and MAX recordsIt has the function of recording MIN and MAX temperature, providing you with historical temperature readings , you can easily monitor the refrigerator temperature changes, and the historical data can be cleared through the reset button. Large LCD displayEach digital freezer thermometer has a large LCD display, large reading space and clear numbers, allowing you to quickly get the measurement results at a glance. Easy to place You can place the refrigerator thermometer in different manners. It can stand on the refrigerator surface by a hook or hang on the refrigerator shelf by a hook. Waterproof design, easy to maintain. Package includedYou will receive 2 pieces of refrigerator thermometer with battery inside, and it is suitable for refrigerators, freezers, or as a general thermometer in restaurants, shops. bars, at home and on other occasions. Easy to read The large LCD display allows you to easily read the temperature, and the highest and lowest historical temperatures. more bass are also displayed. Easy to use [Power] ON/OFF button [C/F] You can switch to C or F according to your habit. [CLEAR] Historical data can be cleared by reset button. Easy to place You can change the position of the hook, place the thermometer on a horizontal surface or hang it on the hook. Feature: Can be hung, table Waterproof level: IPX3 Display the maximum temperature and minimum temperature on the same screen; 1.5v working voltage, ultra-low power consumption; Battery: CR2032, 1pcs. Can be converted between Celsius and Fahrenheit; product size: 88.4 x 61.1 x 23.9mm. Measuring range: -20~50degC, (-4~122degF); Display accuracy: 0.1 degC operate: ON/OFF key: turn on/off, C/F key: change the display unit of the temperature C/F, CLR: temperature difference clear key. Quantity delivered: 2 roomsa