The dark no longer makes typing a problem.Features Type easily even in the dark. Bright, laser-etched, backlighted keys: Provide precise illumination that can be adjusted to suit your needs. Only the characters are illuminated, so you get just the right amount of light. Ultra-thin, 9.3 mm profile and transparent frame: Make a bold statement and add an elegant touch to any desk. Sleek, minimalist design: The ideal combination of form and function, the Logitech Illuminated Keyboard gives you exactly what you need from a keyboard. PerfectStroke key system: Gives you more key travel than typical notebook keyboards. Research shows that a longer distance required for each keystroke (key travel) improves your typing experience. Every stroke is comfortable, fluid, and silent. Tested for up to 10 million keystrokes. Soft-touch palm rest and full-size key layout: Make your typing experience more comfortable even after extended use. One-touch multimedia controls: Includes volume controls for music and video. Enjoy instant access to your favorite applications, including your media player, e-mail, browser, and more. Windows XP, Windows Vista 3-year limited hardware warranty