VIZIO D-Series 70" Class 4K (2160P) Ultra HD HDR Smart LED TV (D70-F3) (2018 Model): Full-Array LED backlight: Evenly distributes LEDs across the screen?s backlight for superior light uniformity and picture performance. 4K Ultra HD Picture: Enjoy every scene in breathtaking detail and clarity with over 8 million pixels, 4x the resolution of 1080p Full HD. Spatial Scaling Engine: Beautifully transforms HD and Full HD content to spectacular 4K Ultra HD resolution. High Dynamic Range: Experience dazzling color and contrast from HDR-enabled streaming apps, Ultra HD Blu-ray players, and game consoles. VIZIO Smart TV: Instant access to popular apps right on the TV using the included remote making finding something to watch more fun ? discover new shows including movies in 4K Ultra HD and HDR. Chromecast built-in: Download any of thousands of Chromecast-enabled apps to your smartphone, then simply tap the Cast button to stream on the TV. Discover a range of free, subscription or paid content. Use Voice To Control The TV: This VIZIO D-Series is the perfect smart-home companion, offering voice-control support from Google Assistant and Amazon Alexa-enabled devices. VIZIO WatchFree: Over 100 live and internet streaming channels absolutely FREE ? live news, movies, movies, sports, comedy, music and more. No fees, subscriptions or logins. Quick Start Mode: Enable Quick Start Mode to turn your TV on automatically with a simple voice command or tap of the Cast button. Enabling Quick Start Mode will change the energy consumption required to operate this TV. Download VIZIO SmartCast Mobile: Use your smartphone to control and stream to the TV from any room in your home. 120Hz Effective Refresh Rate: Enhanced motion clarity with a blazing fast 120Hz effective refresh rate achieved with backlighting scanning. 802.11ac Dual-Band Wi-Fi: Take advantage of today?s fastest wireless speeds for a higher quality streaming experience, perfect for 4K and HDR video. USB Multimedia: Play photos, music, and video right on the big screen using the built-in USB ports. 3 UHD-Ready HDMI Ports: Supporting the latest HDMI standards, this D-Series allows you to connect to UHD-enabled Blu-Ray players and game consoles. DTS Studio Sound: Advanced virtual surround sound audio from the display?s two built-in speakers.