Product Description Viewsonic CDE4320 - 43" 4K UHD LED Commercial Display, 3840x2160, 350 Nits, 1200:1, HDMI x 2, DVI x 1, IR in/out x 1, w/ RS232 in x 1, USB x 2, Audio out x 1, SPDIF, Speaker 10W x 2, RJ45 x 1, Black