The stream mode by default is set to be fluent for the consideration of the smoothness of live viewing.
But it may not be satisfying for some of the users who want a clearer image displayed on their screen. But you can change it to be clear by hand on the live view page.
Here's a useful guide to help you change the stream mode manually via Reolink App and Reolink Client.
Applies to: All Reolink cameras.
Check the links below and you will get what you want: