Viewsonic 55" 4K UHDWrlsPrsntnDsply

55" LED Presentation Display 3840x2160 450 nits 1200:1 HDMI in x 2 USB-C x 1 HDMI out x 1 w/ RS232 in x 1 USB 2.0 x 1 USB 3.0 x 1 SPDIF x 1 Wi-Fi/BT slot Speaker 10W x 2 RJ45 x 1 Black