How to set Home Surveillance on the Xiaomi Smart Camera C300?

The detailed introductions of the Home Surveillance is as follows:
1. 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. (Human detection can be enabled after the Xiaomi Home Secure is purchased and activated);
2. You can enable or disable the Home Surveillance Assistant in the Mi Home/Xiaomi Home APP;
3. You can set 24-hour, daytime, nighttime, custom period surveillance, alert sensitivity, and alert time intervals, etc.