. Compatible with any TV using video input . High contrast image, less glare . Ergonomic and easy to use . High contrast negative image (pure white text on black background) . High contrast positive image (pure black text on white background) . Regular contrast (called greyscale) . 17x Magnification on a 20" TV . SCART connection . 9 feet of easy store cable . Durable, CE approved, built to last
