How to turn on the Child lock on the Xiaomi Smart Dehumidifier Lite?

The Child Lock feature on the Xiaomi Smart Dehumidifier Lite is designed to prevent unintended access to the device's controls, particularly by children or pets. It will disable the buttons or touch-sensitive controls on the dehumidifier, ensuring that settings cannot be changed accidentally.
To turn on Child lock, please refer to the following methods:
Press the Timer button and Humidity setting button simultaneously for 7 seconds. Once hearing a prompt, the Child lock will be opened or closed.
If you want to remotely control through the app, please refer to the following steps:
When connected to the Mi Home APP, tapping on the [Child lock] in the plugin can enable and disable the Child lock. After opening, it can only be controlled through the app.