VIZIO M470SV 47-Inch LCD HDTV with VIZIO Internet Apps 1. VIZIO Internet Apps with built-in WiFi 802.11n 1. Edge Lit Razor LED backlighting with Smart Dimming 1. 240 Hz SPS Refresh Rate 1. 2 million to 1 Dynamic Contrast Ratio 1. 1080p Full HD 47-inch class HDTV features Razor LED backlighting with Smart Dimming; full HD 1080p resolution Built-in Wi-Fi with Internet Apps for access to Netflix, VUDU HD movies, Pandora Internet radio, and more 2,000,000:1 contrast ratio for deeper blacks and brighter whites; 240Hz smooth motion for crystal-clear motion video Four HDMI inputs for connecting your HD sources; HDMI 1.4 spec Audio Return Channel for audio upstream Enhanced two-sided remote control with full QWERTY keyboard