Acer AT2010, 50.8 cm (20"), 1366 x 768 pixels, HD, LCD, Black, Gray Acer AT2010. Display diagonal: 50.8 cm (20"), Display resolution: 1366 x 768 pixels, HD type: HD, Display technology: LCD, Display brightness: 500 cd/m², Response time: 16 ms, Contrast ratio (typical): 800:1, Native aspect ratio: 16:9. Product color: Black, Gray