The PowerShot ELPH 350 HS supports a maximum video resolution of 1920 x 1080 pixels. That's over two times the video resolution of the most common video resolutions of 1280 x 720 pixels (which is also supported by this camera). In addition, this Canon digital camera support a video resolutions of 640 x 480 pixels and 1080 x 720 pixels. 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.
A 1920 x 1080 pixels video resolutions is in fact the best supported video resolution across all similar spec cameras that were launched around the same time as the PowerShot ELPH 350 HS.
A 320 x 240 pixels video resolutions is the worst supported video resolution across comparable types of camera.