Balance Setting for Hikvision DS-2CD2T55FWD-I5 (4mm)

Hi everyone,

Can someone help me what is the better/best "Video Bitrate (Variable Bitrate)" could suit to my setting for DS-2CD2T55FWD-I5 with:

Resolution: 2944x1656
Bitrate: Variable
Video Quality: Higher
Frame Rate: 12 or 15 fps
Video Encoding: H.265
Max Bitrate: To Decide - To Decide - To Decide

Hope so could anyone can help me..

Thanks in advance..