How to change to Fahrenheit or Celsius
To change to Fahrenheit or Celsius, locate the 'C/F' button on the back of the unit to toggle between the two temperature modes.

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Battery type
This unit uses one CR2032 battery.

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"LL" is displayed
"LL" indicates that the thermometer is outside of its temperature range. For normal operation, the temperature range is -4° to 122°F (-20° to 50°C).