Acer 21.5" LCD Touchscreen Monitor, Refurbished (UM.WD0AA.A02 Black): * 21.5" diagonal LCD screen * 16:9 aspect ratio Widescreen is perfect for viewing 2 documents side by side or for watching movies * 1920 x 1080 resolution Enjoy excellent image quality * Colors Capable of displaying millions of colors for realistic photo and video reproduction * 1,000:1 contrast ratio Offers great color resolution * 8 ms response time Delivers exceptional performance that is especially noticeable when playing games and watching videos * 0.248mm pixel pitch Provides detailed text and graphics