The Electronic Digital Magnifier Visual/Reading Aide allows you to magnify and view reading material anywhere from 6x to 32x on a 21? TV screen/monitor/display. Just roll the mouse over the book, newspaper, mail or other reading material and it will be shown enlarged on the screen for your viewing. The mouse offers multiple display modes (full color, black and white, negative image, and high contrast) to suit your individual vision needs, as well as a Screen Lock (Freeze Frame) feature to provide a stable reading experience. Set up is simple and no batteries are required. Plug it into a standard AC outlet, connect to the Video Input Jack on your TV and you're ready to read more easily than ever! This product is ideal for those with low vision or macular degeneration or other conditions that result in difficulty reading newspapers and books. CE marked, FCC approved. Includes: Magnifier, AC adapter, User?s Manual, Velvet Carrying Case