Note: You must have a source of HD programming in order to take full advantage of the Vizio 1080p 120Hz LCD HDTV. Contact your local cable or satellite TV provider for details on how to upgrade. Vizio E502AR 50" 1080p 120Hz Class LCD Smart HDTV: * 50" LCD panel With a 1920 x 1080 Full HD resolution * True 16:9 aspect ratio View your movies on the Vizio 1080p 120Hz LCD HDTV as the director intended * Wide 178-degree vertical and 178-degree horizontal angles See a clear picture from anywhere in the room * Built-in digital tuner Watch digital broadcasts, including HDTV programs where available * HDMI Inputs: 3 Enjoy a superior HD experience with HDMI, the one cable audio/video solution * 50" screen measured diagonally from corner to corner * Vizio 50" LCD is wall mountable VESA standard 300mm x 300mm * Built-in WiFi Stream movies from the Internet conveniently on the Vizio 50" LCD * Smooth Motion: Yes ENERGY STAR® Products that are ENERGY STAR-qualified prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the U.S. Department of Energy. The ENERGY STAR name and marks are registered marks owned by the U.S. government, as part of their energy efficiency and environmental activities.