Manufacturer: LG 27GR93U-B Series / Category: Gaming Monitors (LG UltraGear) Panel Type: OLED (4th Gen) Screen Size: 27 inches Resolution: QHD (2560 x 1440) Refresh Rate: 280 Hz Color and Brightness Technology: Supports VESA DisplayHDR True Black standard (which ensures true and very deep black colors and excellent contrast thanks to the OLED panel).