Google Assistant is ready to help when and where you need it. Manage your schedule, get help with everyday tasks, control smart home devices, enjoy your entertainment, and much more. Y TCL A421, 127 cm (50"), 3840 x 2160 pixels, LED, Smart TV, Wi-Fi, Black TCL A421. Display diagonal: 127 cm (50"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Screen shape: Flat. Smart TV. Response time: 9.5 ms. Wi-Fi. Product colour: Black