How to turn on the child lock on the Xiaomi Smart Tower Fan 2?

To enable the Child lock function, please refer to the following methods:
Method 1:
Simultaneously press and hold the Oscillation Button and Scheduled Standby Button for 7 seconds until you hear a long beep.
Method 2:
You can also enable this function by going to the [Mi Home/Xiaomi Home] APP >> tap the device card >> tap the three-dot icon at the upper right corner >> turn on [Child lock]. 

Note:
Once the function is enabled, the fan will not respond if pressing any button but all indicators will blink twice and the fan will beep twice instead.