VIZIO E472VL 47-Inch Class LCD HDTV with VIZIO Internet Apps VIZIO Internet Apps Built-in WiFi 1080p Full HD 120 Hz refresh rate 100,000 to 1 Dynamic Contrast Ratio 42-inch LCD HDTV with Full HD 1080p resolution and VIZIO Internet Apps Built-in Wi-Fi connectivity with Internet Apps for access to Netflix, VUDU HD movies, Pandora Internet radio, and more 120Hz refresh rate for more clarity during fast-motion video Built-in ambient light sensor adjusts backlight levels based on surroundings Enjoy MP3 audio and JPEG image files from connected USB devices or burned to DVD/CD