VIZIO M420SR 42-Inch 1080p LED-LCD HDTV with Built-in WiFi 1080p Full HD 100,000 to 1 Dynamic Contrast Ratio Built-in WiFi 802.11n VIZIO Internet Apps Edge Lit Razor LED backlight with Smart Dimming 42-inch class HDTV (42.02 inches viewable) features edge-lit Razor LED backlighting and full HD 1080p resolution Built-in Wi-Fi with VIZIO Internet Apps for access to Netflix, VUDU HD movies, Pandora Internet radio, and more 100,000:1 contrast ratio for deeper blacks and brighter whites; 120Hz refresh rate for blur-free fast-action scenes Four HDMI (1.4 spec) inputs for connecting your HD sources; PC input for use as a computer monitor Enhanced two-sided remote control with full QWERTY keyboard