Perfect for Refrigerator: The temperature range is -20°C to 60°C, which allows it to be used in the refrigerator. The frost alarm will appear on the screen when the temperature is between 4°C and 7.9°C. Simple Design: The large black numbers on the LCD screen are clearly visible. You can easily read it on the screen. Easy to Use: This is a very practical thermometer with only two buttons. The top button is the power button, the bottom button is for selecting Celsius or Fahrenheit. Hanging Design: Hook available on the back, for hanging on the refrigerator shelf or any other medium you want. In addition, there is a magnet on the hook, which makes it very convenient to stick to the steel element. Wide Applications: Perfect thermometer for the refrigerator, freezer or as an indoor thermometer. Suitable for home, restaurants, bars, cafes.