Products you can control through Echo and Alexa-enabled Devices. Y TCL 65S451, 165.1 cm (65"), 3840 x 2160 pixels, LED, Smart TV, Wi-Fi, Black TCL 65S451. Display diagonal: 165.1 cm (65"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Screen shape: Flat. Smart TV. Digital signal format system: ATSC. Wi-Fi, Ethernet LAN. Product colour: Black