Acer P206 H Lbm 20 inch Widescreen 16:9 HD LED Monitor 12, 000, 000:1 250cd/m 2 1600 x 900 5ms VGA (Black). Acer P206 H Lbm 20 inch Widescreen 16:9 HD LED Monitor Contrast Ratio: 12, 000, 000:1 Brightness: 250cd/m 2 Resolution: 1600 x 900 Response Time: 5ms Interface: VGA