The Stylus Tough TG-830 supports a maximum video resolution of 1920 x 1080 pixels. That's over two times the video resolution of the most frequently found video resolutions of 1280 x 720 pixels (which is also supported by this Olympus digital camera). A video resolution of 1920 x 1080 pixels is equivalent to Full HD video. You will require a Full HD TV or better to appreciate this level of detail.
This camera's video resolution (1920 x 1080 pixels) is actually the best supported video resolution amongst all cameras of a comparable age and type to this camera.
The worst supported video resolution amongst similar types of camera is 320 x 240 pixels.
What does "video resolutions" mean?