The search query extra quality inurl:multicameraframe mode=motion full points to a very specific niche of the internet: unsecured or publicly accessible IP camera feeds.

Variants for different contexts:

This string is frequently found in "dork lists" used by security researchers and, unfortunately, malicious actors. It is used to find cameras that are exposed to the public internet, often because: 

This query is a "Google Dork"—a specialized search string used to find specific information that is not intended to be public but is indexed by search engines due to misconfiguration.

Are you trying to configure a specific brand of DVR or fix a connection issue with your own security system?