If the Xiaomi Outdoor Camera CW100 Dual has an issue where the video lags or the audio and video are out of sync while viewing surveillance footage, please refer to the following suggestions:
If the video lags or frequently displays a loading screen, switch the video quality to automatic or smooth mode;
If the video and sound are out of sync, check if the camera's network connection is stable. If the delay is significant, try exiting and re-entering the surveillance footage.
Note:
Ensure your phone and the camera are both connected to a stable and fast network, preferably Wi-Fi rather than mobile data;
Avoid viewing surveillance footage while multiple devices are heavily using the same network, as this can cause bandwidth issues.