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The Acer 21.5" S220HQL Ultra Slim LCD Monitor with LED Backlight delivers superior image quality and reduced power consumption when compared to traditional CCFL displays. The S220HQL features a native resolution of 1920 x 1080 - equal to that of 1080p video. It also boasts a 1000:1 contrast ratio, a 250 nits of brightness rating, a 5ms response time, support for 16.7 million colors and 170°/160° viewing angles. It can connect to a computer via DVI.