Acer S220HQL Abd 21.5-Inch Widescreen LCD Monitor Acer ultra-thin monitors are designed for users who have limited space to work with, be it at home, a public area or front-desk setting Quick 5ms response time reduces deviations in transition time to deliver high-quality moving images for more enjoyable movies White LED technology consumes up to 68% less power than standard LCD displays - saving energy and saving you money 1920 x 1080 5ms. ACM 100,000,000:1 (1000:1) D-Sub, DVI Screen size: 21.5-Inch. Pixel Pitch: 0.248mm