Panasonic KX-HCM230 Operating Instructions Manual page 55

File size of the image
The internal memory, image resolution, image quality and object situation
determine the maximum number of frames. The file size changes by the image
quality and object situation. (Brightness, etc.)
For example, the image size per frame in the image resolution is as follows.
(When the image quality is Standard)
160 x 120: about 2.7 Kbytes (22 Kbits)
320 x 240: about 10 Kbytes (80 Kbits)
640 x 480: about 18 Kbytes (144 Kbits)
Operating Instructions
55