How does Xiaomi Temperature and Humidity Monitor Clock ensure the accuracy of time and temperature and humidity?

Solution:
Xiaomi Temperature and Humidity Monitor Clock has a built-in high-precision RTC sensor, which displays the correct time when it is powered on, and is still correct after replacing the battery. At the same time, the Swiss Sensirion high-precision sensor is selected to accurately sense the subtle changes in temperature and humidity, thus ensuring the accurate and high-definition display of the value.
*The time displayed at startup is Beijing time, and it can be updated automatically after connecting to [Mi Home APP] in other time zones.