Thermometer Hygrometer with a Spare Button Battery Used for Warm/Creality 3D Printer Enclosure

What is included? Thermometer Hygrometer *1 piece AG13 Button Battery *1 piece   Note If your 3D Printer Enclosure does not have round fixing holes, we recommend that you put the thermometer directly into the enclosure. Only the Black model can be switched to the Fahrenheit ℉ display via the button on the back   Specification Display Method LCD Opening Diameter 41mm Outer Diameter 45mm LCD Diameter 27mm Weight(without Battery) 25g Temperature Measurement Range -50-70℃ Temperature Display Resolution 0.1℃ Temperature Accuracy ±1℃ Humidity Measurement Range 10%-99%RH Humidity Display Resolution 1%RH Humidity Accuracy ±5%RH Humidity Sampling Period 10s Rated Voltage DC 1.5V (1 AG3 or LR44 button battery)