Product Description Easy to Use There are only 3 buttons Press the power button to turn on off the thermometer Press the °C °F button to select Celsius or Fahrenheit Press the CLR button to reset the maximum minimum temperature Wide and Accurate Range The refrigerator temperature range is 50°C to 70°C 58°F to 158°F and the accuracy is ±1°C ±18°F so you can use it in the refrigerator and freezer Magnet Hook Stand The digital thermometer can be standing adsorbed or hung in the refrigerator which is very small and convenient for storage Battery Powered The CR2032 battery included is used Just remove the battery cover to replace it Product Description Temperature Measurement Range 50°C to 70°C 58°F to 158°F Accuracy ±1°C ±18°F Resolution 01°C 02°F Power CR20321 Size 89x6x16cm Material ABS Usage Method Press the °C °F button to switch between Celsius and Fahrenheit display Press the CLR button to clear the maximum and minimum temperature memory values