This 21.5 display delivers a good performance for home users. It also helps them save costs with its modest energy consumption, and offers tilt and wall-mount options. AOC Flicker-Free Technology utilises a DC (Direct Current) backlight panel, reducing flickering light levels. With eye strain and fatigue absolutely minimised, feel free to enjoy those long, intense gaming sessions in comfort! AOC Lowblue Light protects you from harmful blue light which, during long sessions, has been shown to cause eye strain, headaches, and sleeping disorders. Our Lowbue Light feature reduces the harmful wavelengths emitted without sacrificing colour composition, setting the experience free from the worry of eye damage. Want to use your monitor in a brightly-lit environment, e.g. beside a window catching the sun. The high 250 cd/m (or 250 nits) brightness achieved by W-LED backlight ensures a good visibility on the display even in these harsh settings. In comparison, the sRGBs reference luminance level is 80 cd/m.