Reducing blue light to protect your eyes, Reader Mode provides optimal condition for reading. With just a touch of a button, it helps you comfortably read on the monitor for long periods of time. This technology is applied to minimize the flicker level causing eye fatigue. With almost-zero flicker technology, you'll be able to watch longer and comfortably. Experts have conducted color calibration tests at the production line for accurate color. This LG IPS Monitor provides the most accurate and lifelike color for your advanced viewing pleasure.