• Works with any desktop or notebook PC using USB 2.0 and XP or Vista • Ergonomic and easy to use • Resize to change magnification • Crisp, vivid, full colour image • High contrast negative image (pure white text on black background) • High contrast positive image (pure black text on white background) • Plugs directly into any USB 2.0 port • 5 feet of easy store cable • Simple, full function utility software included • Microfibre MouseBag included • Durable, CE approved, built to last Available for immediate delivery - HERE Designed to help you read schoolwork, office work, magazines, books, documents, check your watch and much more, all in full colour Another Customer TestimonialHow It Works 1) Install the driver from the supplied CD the first time you use a ColorMouse-USB-RM 2) Thereafter, each time you use the magnifier, simply plug it in to a USB 2.0 port and click the application icon on your desktop 3) Hold the ColorMouse-USB-RM in your hand, just like a computer mouse, and whatever you move your hand over appears magnified on your screen 4) That's it. Enjoy reading or working To switch from the full Colour Mode to Reverse Mode (white text on black background), press the smaller round button at the back of the magnifier. To switch from the Reverse Mode to Enhanced Mode (pure black text on pure white background), press the small round button again. To switch back to Full Colour Mode, press the small round button one last time.