Quantum Dot Color Technology Bright picture with UltraBright 600 Deep contrast 90 local dimming zones Works w/Google Assistant, Alexa & Apple AirPlay Screen Size: (64.5" Diag.) Extraordinary Color, with Quantum Color Brighter Picture, UltraBright 600 Deeper Blacks, 90 Local Dimming Zones Exceptional 4K Detail, with 4K UHD + Dolby Vision HDR Award-Winning Smart TV, with SmartCast 3.0 Stream Apple TV+, Disney+, and thousands of apps with Apple AirPlay 2 or use Chromecast built-in