Brand New Sealed Unit * ---LG 50UL3J-M Commercial Monitor ---50" 3840 x 2160 4K UHD VA LCD Display ---Aspect Ratio - 16:9 ---Max Brightness - 400 cd/m2 ---Contrast Ratio - 5000:1 ---Dynamic Contrast Ratio - 1,000,000:1 ---Response Time - 6 ms ---Refresh Rate - 60Hz ---Built-in Speakers - Yes, 2 x 10 watt ---Smart TV - webOS ---OS Compatibility - Android, iOS ---VEAS Mounting Hole Pattern - 200 x 200 mm ---Lighting Lifespan - 30000 Hours ---Duty Cycle - 16 Hours / 7 Days.
