Canon VB-C60 Operation Manual page 34

Set the Image Size, Quality and Frame Rate (Image)
● Higher image size or quality results in a larger data size per frame and a heavier
network load.
Note
JPEG
MPEG-4 : Video may be interrupted temporarily.
● The data volume may become large according to the type or amount of movements
of subjects. Set the image size smaller or set the image quality lower, in conditions,
where the frame rate continues decreasing for a long time.
● If you are using optional network video recorder VK-64/VK-16 or bundled VK-Lite,
the image size and quality settings affect the required hard disk space for recording.
1-20
: The frame rate may decrease.