Open the battery cover. Remove the screw. Then open the round cover. Put 2 screw driver to push the 2 white things inside.
The round thing will be open. Remove 2 screw again, and the whole cover will be open. Now, configure it as the instructions says:
For example, if you give address ‘3’.
Then in the culipe configuration, add this device as: “s300th:3”.
Here, 3 is for the configuration.
Start the cul application and you will see temperature and humidity data from ASH 2200-1 sensor.