4 Pack Digital Refrigerator Thermometer Waterproof Freezer

Accuracy:±1°C /± 2°F, please kindly note ± variation of 2°C or 4°F is within tolerance. Battery: LR1130（AG10) *2 (Included). When the screen displays nothing, please pay attention to replace the battery. TEMPERATURE RANGE: The temperature range is from -20°C/-4°F to 110°C/230°F allowing you to use this in the fridge, freezer or as a general room thermometer. FROST ALARM: Temperature range: 39°F to 46.2°F, When it runs within this range, a snowflake icon will appear on the screen. If the temperature is lower than -4°F, it will display: LL.L. °C/°F CONVERSION: Just press the on/off button to switch the thermometer on and then select Degrees or Fahrenheit. MULTIPLE WAYS TO USE: The back of the refrigerator thermometer is equipped with magnets, hooks and suction cups to meet different environmental needs. Either stick it to the refrigerator door with the rear magnet, or use the stand to place it on the table-top , and finally you can flip the stand over and use the hook to hang it on a refrigerator shelf. LARGE SCREEN, SMALL SIZE: LCD display, big digits.