Lenovo T2224z 21.5 -inch WVA LED Backlit LCD Monitor 21.5 -inch FHD 1920 x 1080 resolution In-Plane Switching Panel 178 / 178 viewing angle LED Backlight panel 250 nits brightness 1000:1 contrast ratio, 3M: 1 dynamic contrast ratio 7ms response time 72% color gamut and 16.7M colors Anti-glare screen Grade B as described B grade refers to units that may have dents, chips or scuffs on the body, hair line scratches or scuffs on the screen