LG 20MK400 Monitor - 19.5"Reducing blue light to help lessen eye fatigue, Reader Mode provides optimal condition for reading. With easy joystick control, you can more comfortably read your monitor screen. Reducing the flicker level to almost zero, Flicker Safe helps you protect your eyes from exhausting flickers. Dynamic Action Sync mode allows you to instantly react to your opponents and attack them without any display lag. It synchronizes your senses with real time scenes in