Experience a world of extraordinary color with the all-new VIZIO M-Series? Quantum 55? Class (Diag. 54.5?) 4K HDR Smart TV. The first in class to utilize cutting-edge quantum dot technology, the M-Series? Quantum delivers cinematic color intensity as more than one billion colors jump to life. UltraBright 400 produces bright, detailed highlights at up to 400 nits of brightness, while VIZIO?s powerful Active Full Array® backlight offers 10 local dimming zones, resulting in deep black levels with stunning detail and contrast. Featuring VIZIO?s SmartCast? with Apple AirPlay 2 support and Chromecast Built-in, streaming, controlling, and sharing your favorites has never been easier? no extra streaming devices or remotes needed. And every M-Series? Quantum makes a great smart home companion, with voice control support for Siri, Google Assistant, and Amazon Alexa. With a breathtaking picture and brilliant streaming solutions ? the M-Series? Quantum is the perfect entertainment centerpiece for any home.