The VIZIO E-Series 42” LCD TV delivers 1080p Full HD picture quality and superior audio quality. With SRS StudioSound HD™ you always get crisp and clear audio, and 100,000:1 Dynamic Contrast Ratio creates deeper blacks so even the darkest scenes come to life. The HDTV also exceeds ENERGY STAR® 5.3 Guidelines to reduce energy consumption and utilizes built-in ambient light sensing technology to automatically adjusts backlight levels to the brightness of its surroundings.