How to add devices to the Xiaomi Home Secure?

Xiaomi Home Secure is a cloud storage service provided by Xiaomi for Xiaomi smart cameras connected to the Xiaomi Home App. It is a security monitoring and cloud storage feature developed based on motion detection, human detection, and other technologies.
To add devices to the Xiaomi Home Secure, please refer to the following steps:
1. Open the Xiaomi Home App on your phone.
2. Select the device card.
3. Tap the three dots icon in the upper-right corner.
Note:
Adding devices in this way is only possible if you purchase a multi-device service, and the maximum number of devices that can be added varies depending on the service.