Lenovo ThinkCentre TIO Flex 22i. Display diagonal: 54.6 cm (21.5"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display technology: LED, Response time: 6 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178, Viewing angle, vertical: 178. Built-in USB hub. VESA mounting, Height adjustment. Product colour: Black