Acer 18.5" P186H 720p Widescreen LCD Monitor (Black) 18.5-inch Acer P186H 720p Widescreen LCD Monitor General Features: Black color 18.5-inch diagonal widescreen LCD 16.14 x 9.05-inches active display area 0.3 mm pixel pitch 1366 x 768 maximum resolution 60 Hz maximum refresh rate Twisted nematic (TN) panel technology 5 ms response time 1000:1 contrast ratio 50,000:1 dynamic contrast ratio 250 cd/m2 brightness 170 horizontal viewing angles