What is the purpose of the hole inside the Xiaomi Electric Glass Kettle?

The holes inside the Xiaomi Electric Glass Kettle serve as steam outlets designed to direct water vapor toward the thermostat located at the base of the kettle. This structural feature ensures efficient heat distribution and regulates the boiling process effectively. It is a standard design found in many glass mechanical electric kettles on the market, facilitating optimal performance and safety during use.
Note:
These steam holes are essential for maintaining the kettle's operational integrity. It should not be covered or blocked to ensure proper functionality and longevity.