The AQUA-5500 supports a maximum video resolution of 320 x 240 pixels. That's 75% less video resolution than a 640 x 480 pixels digital camera, which is the most frequently found video resolution supported by waterproof cameras that have been around for around the same time as the AQUA-5500. 640 x 480 pixels is also supported by this camera.
A 320 x 240 pixels video resolution is in fact the worst supported video resolution across all cameras that have been available for a comparable time to the AQUA-5500.
Across similar types of camera the best supported video resolution is 1920 x 1080 pixels.