Viewsonic IFP6552-E2, 64.5", 350 cd/m², 3840 x 2160 pixels, 4K Ultra HD, 1200:1, 4000:1 Viewsonic IFP6552-E2. Display diagonal: 64.5", Display brightness: 350 cd/m², Display resolution: 3840 x 2160 pixels. Operating system installed: Android, Processor architecture: ARM Cortex-A73, Processor frequency: 1.8 GHz. Speaker power: 15 W, Subwoofer RMS power: 15 W. Ethernet LAN data rates: 10,100,1000 Mbit/s. USB connector type: USB Type-A, USB Type-B