Youtube scheduled import videos per request is the max videos to import in every check
 
Max videos that you can import per day = day hours * Cron job executed every hour  * max videos to import in every check
Max videos that you can import per day = 24 120 videos per day
 
Note: the result of the equation above is correct only when you have a single feed.
Explication 
suppose that you have 3 feeds channel 1, channel 2, channel 3
in the first Cron job check  our plugin will import videos only for channel 1
in the second Cron job check our plugin will import videos only for channel 2
in the third Cron job check our plugin will import videos only for channel 3
….
In general our plugin import videos for one single feed in every check  this is useful to not surcharge your server