VIZIO XVT3D474SV 47-Inch Full HD 3D Full Array TruLED LCD HDTV 480 Hz SPS with VIZIO Internet Apps (2011 Model) Full HD 3D immerses you in the action with high-definition 3D by VIZIO Full-array TruLEDTM backlighting with Smart Dimming (160 zones) VIZIO Internet Apps with built-in dual-band 802.11n WiFi It has 480 Hz SPS 10 million to 1 Dynamic Contrast Ratio