TCL 55A441, 139.7 cm (55"), 3840 x 2160 pixels, LED, Smart TV, Wi-Fi, Silver TCL 55A441. Display diagonal: 139.7 cm (55"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Screen shape: Flat. Smart TV. Response time: 8 ms, Native aspect ratio: 16:9. Wi-Fi. Product colour: Silver