Smart Design: Quartz precision and waterproof material, which makes you very convenient. Lightweight and small in size, your fridge won't take up much space. Large numbers, ideal for the visually impaired. You can easily read the screen with its big bold numbers. Easy to use: No complicated controls, it's the simplest electronic thermometer with only two buttons. Press the on/off button to turn on the thermometer, then select Degree or Fahrenheit. Temperature Range: Temperature range is -20~110 provides crucial temperature readings for food safety applications. Perfect for the fridge that doesn't have a temperature. Wide Range of Applications: Perfect thermometer for fridge, freezer or as a general room thermometer. It is useful for different occasions such as home, restaurants, bars, cafes. It is also a wonderful gift for your family or friends. Magnetic back, stand and hook for hanging: You have 3 different choices for the placement of the room thermometer. Stick it to the refrigerator door with the back magnet or use the bracket to place it on the table top, and finally you can flip the bracket and use the hook to hang it on a refrigerator shelf. Product Description Specification: Temperature Range: -20 to 110 Size: 6.7X2.5X4.3CM Refrigerator Thermometer Battery: LR1130 (AG10)*2 Switch: On/Off Package Included: 3 x Thermometer for refrigerator / refrigerator 3 x user manual Description: Pretty good food preservation assistant, easy to operate and large and clear screen, very useful! The refrigerator thermometer measures temperature in -20~110, it is suitable for refrigerator, freezer or as a room thermometer general in restaurants, bars, home and other occasions. Frost alarm: when the temperature is between 4.0C and 7.9C, the snowflake icon snow appears on the screen Note: Please allow a little error on the size due to manual measurement.