. The ProLite X2283HSU-B1 is a 21.5" screen featuring a VA panel which guarantees accurate and consistent colour reproduction with wide viewing angles.The monitor is equipped with speakers headphone socket HDMI and DisplayPort connections a 2-port USB-Hub a blue light reducer function to reduce eye fatigue and compatible with iiyama desktop arms for multiscreen productivity solutions. Featuring a 1ms response time and FreeSync this desktop monitor is suitable for the home office environment and casual gaming.TCO conformity and ultra-low power consumption meet the best standards for environmentally conscious business users universities and government agencies.Flicker-free + Blue Light - The ultimate solution for the comfort and health of your eyes. Flicker-free monitors with the blue light reducer function substantially reduce the strain and fatigue caused by flickering and blue light emittance of regular monitors.Overdrive - When very fast graphics are displayed your monitor can sometimes get blurry. Turning on the OverDrive feature will eliminate that.ACR - Contrast Ratio is a measurement of the difference between the darkest black and the brightest white your monitor can display. Advanced Contrast Ratio is a feature that automatically adjusts contrast and brightness of the screen to assure perfect picture quality while watching films and playing games.Full HD - With true 1920 x 1080p resolution your monitor is ready to display high definition images. This means you can accommodate more information on your screen; e.g. 60% more in comparison to a 1280 x 1024 monitor..