The VIZIO E700i-B3 70 1080p 120Hz LED Smart HDTV features an ultra-slim narrow, crystal-clear picture and a faster, easier-to-use television experience with built-in WiFi. Not only is it smart, this TV is packed with the latest technology like Full-Array LED for superior light uniformity, Active LED Zones x18 for deeper black levels, Full HD 1080p and 120Hz effective refresh rate, making it perfect for sports and fast action scenes. The VIZIO E-Series is picture-perfect and simply smart. Note: You must have a source of HD programming in order to take full advantage of this VIZIO LED HDTV. Contact your local cable or satellite TV provider for details on how to upgrade.