MAXHUB E7521, 75", 400 cd/m², 1.07 billion colors, 3840 x 2160 pixels, 4K Ultra HD, 1200:1 MAXHUB E7521. Display diagonal: 75", Display brightness: 400 cd/m², Display number of colors: 1.07 billion colors. Operating system installed: Android, Operating system version: Android 13, Processor architecture: ARM Cortex-A55. Speaker power: 40 W. Product color: Gray. Quantity per pack: 1 pc(s)