design: Quartz precision and waterproof material make it very convenient for you to use. weight and small size, it will not take up too much space in your refrigerator. numbers, suitable for people with poor eyesight. easily read the display with large bold numbers. Simple operation: There is no complicated control, it is the simplest electronic thermometer, only two buttons. Press the on/off button to turn on the thermometer, and then select degrees or Fahrenheit. Temperature range: The temperature range is from -20C / -4F to 60C / 140F, providing critical temperature readings for food safety applications. suitable for refrigerators without temperature. the temperature is between 4.0C/39.2F~ 7.9C / 46.44F, you will see a frost alarm on the screen. backrest, stand and hanging hook: You have 3 different room thermometer placement options. Either use the rear magnet to stick it on the refrigerator door, or use the bracket to put it on the table top, and finally you can turn the bracket over and hang it on the refrigerator shelf with a hook. Wide range of applications: the thermometer for refrigerators, freezers or general room thermometers. It is suitable for different occasions, such as family, restaurant, bar, shop. It is also a great gift for family or friends.