DELL WARRANTY VALID THRU MAY 17, 2027. Open-Box: Flawless display, no defects. Minor cosmetic marks, Minor scratches on unit and base stand, complete set. Professionally inspected, fully operational. * ---Dell UltraSharp Monitor ---49" 5120 x 1440 IPS LCD Curved Display ---Aspect Ratio - 32:9 ---Max Brightness - 350 cd/m2 ---Contrast Ratio - 2000:1 ---Response Time - 5 ms ---Refresh Rate - 60Hz ---Built-in Speakers - Yes, 2 x 9 watt ---Mounting Hole Pattern - 100 x 100 mm, 200 x 100 mm ---Lock Slot - Yes, Kensington.