Acer S202HLBD 20" Class Widescreen LED Monitor 20-inch Acer S202HL Widescreen LED LCD Monitor General Features: Gloss black color 20-inch widescreen LCD display LED-backlit technology 1600 x 900 resolution 16:9 aspect ratio 250 cd/m2 brightness 12,000,000:1 Dynamic contrast ratio 5 ms response time 170 horizontal viewing angle 160 vertical viewing angle 16.7 million color support 60 Hz maximum refresh rate