Hygrometer, 4.3-inch indoor screen temperature and humidity indicator, with LCD backlight, indoor air humidity and temperature monitor

Product Description Read more Press and hold the °C/°F button for 2 seconds to enter temperature calibration mode.

In humidity calibration mode, the screen will first flash and display 0% (default).

Then use the "+" or "-" buttons to adjust the temperature to the desired value. Press the °C/°F button again to confirm, and then enter humidity calibration mode.

Press the "+" or "-" button to adjust the humidity to the desired value.

Once humidity calibration is complete, press the °C/°F button again to confirm and exit calibration mode.