3D-ready LCD TV delivers full HD 1080p picture quality in 2D and 3D. Built-in Wi-Fi makes it a cinch to access the best selection of online movies, TV episodes, videos and music. Motionflow XR 480 technology offers incredible motion clarity during fast-action sports, movies and games. Dynamic edge LED backlight offers enhanced picture quality and contrast with local dimming technology. Built-in Ambient Sensor automatically adjusts the TV's color and brightness based on the room's lighting conditions for natural-looking picture. X-Reality PRO engine brings out incredible detail through multi-frame, pixel-by-pixel analysis of each scene. You will see optimal color, contrast and sharpness even in low-resolution web videos. 55 Class (54.6 dia) HX729 smart TV also features 240Hz technology, digital video processor, 16:9 wide-screen panel (1920 x 1080) and four HDMI inputs among others. Transmitter and glasses are required to view in 3D. Energy Star qualified.