Products you can control through Echo and Alexa-enabled Devices. Y 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 55S451, 139,7 cm (55"), 3840 x 2160 pixels, 4K Ultra HD, Smart TV, Wi-Fi, Preto TCL 55S451. Tamanho do ecrã na diagonal: 139,7 cm (55"), Resolução: 3840 x 2160 pixels, Tipo de HD: 4K Ultra HD, Formato do ecrã: Plano. Smart TV. Proporção de imagem nativa: 16:9. Sistema de formato de sinal digital: ATSC. Wi-Fi. Cor do produto: Preto