Xiaomi MJSXJ09CM Manuel D'utilisation page 9

Home Surveillance Assistant
When the home surveillance assistant is enabled, the camera will record
videos if it detects human movement and changes in real-time within its
surveilled area. Then you will get the app push notification.
You can enable or disable the home surveillance assistant in the
Mi Home/Xiaomi Home app.
You can set 24-hour, daytime, nigh ime, custom period surveillance, alert
sensitivity and alert time intervals, etc.
8