VIZIO's Full-Array LED backlight technology delivers brilliant picture quality as it distributes LEDs across the entire screen for superior light uniformity and picture performance. Active LED Zones x32 dynamically adjust the LED backlighting in each area of the screen to match the content on the screen providing unparalleled picture contrast and crystal-clear detail with deep, pure black levels. Provides advanced color management ensures optimal accuracy of color and detail across all your devices. Simulates surround sound solution with deep bass for an immersive surround sound experience. Gives intelligent backlight sensors automatically which adjust to environment for a great picture in any room. So buy this Smart TV and Get $200 promo eGift card with the Vizio 55 Inch LED Smart TV M552I-B2 HDTV for just $799.99! Free shipping!