UM029 is a powerful desktop digital reading aid designed for people with limited visionary. The size of a desktop lamp, it connects directly to any TV/monitor with video input in seconds, allowing you to read newspapers, magazines, recipe cards and even medicine labels easily. With optional USB converter, it can also work on computer!! Specs . Compatible with any TV/monitor using video input . Viewing modes: full color, high-contrast positive, high-contrast negative . Zoom in/out digitally . Magnification (on 20” monitor): 10x (up to 35x digitally) . Freeze & D-freeze current image . Viewing area: 37x37mm . Light, convenient, portable and easy to use . Size: 265x70 mm