21 inches of pure smooth monitor use 1500 yuan HP FD odd gun kinescope of 3 bundles of color, can you look a scale for 19.8? . Proposal resolution is 1600x1200 @ 85Hz, the biggest lead respectively for 1800x1440 @ 80Hz, dimension size is 502x512x512 Mm, weight is 30.9 Kg, guarantee 3 years.