1. Temperature range: -20 Degrees Celsius to 60 Degrees Celsius
2. Refrigerator thermometer battery: 1 x CR2032
3. When the screen prompts the battery is low, please pay attention to replace the battery
4. If the temperature is lower than -20 Degrees Celsius, it will display: "LL.L"
5. If the temperature is higher than 60 Degrees Celsius, it will display: "HH.H"
6. Turn off the refrigerator thermometer through the switch button, saving electricity
7. Fahrenheit Degrees Celsius by key switch
8. The back of the product has magnet and hook
Frost alarm:
1. Temperature range: 4.0 Degrees Celsius to 7.9 Degrees Celsius
2. When it runs within this pick, the snowflake icon will appear on the screen
