Viewsonic 20" LCD TV, 50.8 cm (20"), 640 x 480 pixels, LCD, Silver Viewsonic 20" LCD TV. Display diagonal: 50.8 cm (20"), Display resolution: 640 x 480 pixels, Display technology: LCD, Display brightness: 450 cd/m², Response time: 12 ms, Contrast ratio (typical): 500:1, Native aspect ratio: 4:3. Product colour: Silver