LG Electronics LG 22MC57HQ-P 22-Inch Screen LED-Lit Monitor 4-SCREEN SPLIT FEATURE- Efficiently run several programs and have multiple active windows on the screen at the same time. FLICKER-SAFE- Eye fatigue is a major concern when working overtime on the computer. LGs Almost-Zero Flicker Free technology, allows the ability to work longer and more comfortably without straining the eyes. READER MODE- With a touch of a button, Reader Mode allows the reduction of blue light emissions that can be harmful to the eyes. COLOR WIZARD- Improves vision impaired viewers to adjust the RED and GREEN levels accordingly to easily distinguish colors. Refresh Rate: 60 Hz