VIZIO E421VL 42 Inch Class LCD HDTV Three HDMI inputs for connecting your Full HD sources View full-screen slideshows of your JPG photos from connected USB devices 120Hz refresh rate for more clarity during fast-motion video 42-inch class (42.02 inches viewable) LCD HDTV with Full HD 1080p resolution Built-in ambient light sensor adjusts backlight levels based on surroundings 42-inch class (42.02 inches viewable) LCD HDTV with Full HD 1080p resolution 120Hz refresh rate for more clarity during fast-motion video Built-in ambient light sensor adjusts backlight levels based on surroundings View full-screen slideshows of your JPG photos from connected USB devices Three HDMI inputs for connecting your Full HD sources