Unparalleled visual comfort Reduced eye load: Built-in lighting sensor intelligently optimizes brightness and colour temperature depending on the environment. Improved ComfortView Plus: reduces harmful blue light emissions to <35%, providing comfort throughout the day without losing color accuracy. Smoother image: a refresh rate of 120 Hz provides less flickering, more dynamic scrolling and smoother operation than 60 Hz monitors. Expressive Work Excellent image quality: this monitor using IPS Black technology provides greater depth of black and more accurately mapped grey colors, which translates into a unique contrast (2000:1) at a wide angle of view. Live, realistic colors: 1.07 billion colors and many color space coverage standards including 98% DCI-P3, 98% Display P3, 100% sRGB and 100% BT.709. Accuracy of delta E color calibration