You are asking the NVR (Network Video Recorder) for a pristine, multi-camera composite only when something actually happens .
: Configure the system to buffer at least 5–10 seconds of "extra quality" footage before the motion trigger occurs. Conclusion extra quality inurl multicameraframe mode motion
: This is a powerful Google operator that restricts search results exclusively to pages containing the specified text within their URL string. You are asking the NVR (Network Video Recorder)