How to achieve group control of multiple devices of the same model?

If multiple devices of the same model have been added in the APP and you want to achieve group control, you can go to the device page which you want to add a group. Click the upper right corner " ✏“ and then click "Create Group" . Tick the device you want to create and click the "Confirm" button in the upper right corner to create a group. These devices that join the group can be controlled by the group.