Temperature range 1. If temperature lower than -20 °C / -4 °F, it will display: "LL.L". 2. If temperature higher than 60 °C / 140 °F, it will display: "HH.H". Placement of battery 1. Rotate battery cover anticlockwise to open it. 2. Remove the pvc tongue protective on the battery. 3. Close battery cover and rotate clockwise to arrow position. The clock is enabled. 4. When the screen displays nothing, please install new battery 1*CR2032, respect the polarity. Frost Alert 1. Frost alert range: 4.0 °C / 39.2 °F to 7.9 °C / 46.2 °F. 2. When it runs within this limit, the frost icon will appear on the screen. Function 1. Display the current temperature " °C / °F ". 2. Press button "ON / OFF" to turn on or turn off the screen display. 3. Press button " °C / °F " to switch the temperature between Celsius or Fahrenheit unit. 4. With the foldable hook and the magnets on back of thermometer.
Trustpilot
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