The VF551XVT 55-inch TruLED delivers the best picture quality available on an LCD HDTV. This direct type, backlit LED HDTV is comprised of 960 LEDs divided into 80 control blocks and utilities Smart Dimming to intelligently control these blocks turning them on and completely off based on the content you're watching. This cutting edge technology stops light leakage enabling you to achieve REAL 2,000,000:1 contrast ratio for rich, dark scenes delivering an experience that will blow you away. Rounding this out are features such as full 1080p high definition resolution for crystal clear images, 240Hz Smooth Motion for fluid transitions and SRS audio technologies for amazing sound. The Extreme VIZIO Technology series epitomizes what HDTV should be.