VIZIO 'XVT' was designed from the ground up to set a new standard of Full High Definition technology. The VIZIO SV420XVT FHDTV starts with the remarkable refresh rate of 120Hz and adds Full High Definition 1080p, 4x HDMI inputs, SRS TruSurround XT (TM) sound and Smooth Motion picture technology to deliver impeccable results. With more than 2-Million pixels and dynamic 6,500:1 contrast ratio, your new VIZIO SV420XVT is the newest caliber of technology in the Full High Definition Television space. With available 5.1 Surround sound kit (optional), the VIZIO SV420XVT becomes an obvious choice.