VIZIO M320VT 32-Inch 1080p LED LCD HDTV with Razor LED Backlighting, Black (2010 Model) Ambient Light Sensing technology SRS TruVolume and SRS TruSurround HD audio Less than 1.62" thin (max depth 7.94") 1080p HD with Razor LED backlighting for brilliant color and contrast 50,000 to 1 Dynamic Contrast Ratio 1080p HD with Razor LED backlighting for brilliant color and contrast Less than 1.62" thin (max depth 7.94") 50,000 to 1 Dynamic Contrast Ratio SRS TruVolume and SRS TruSurround HD audio Ambient Light Sensing technology