Elo 5554L 55" Touchscreen Signage - 55" LCD - Thin Film Transistor (TFT) - Touchscreen - 24 Hours/7 Days Operation - 3840 x 2160 - 16:9 - 8 ms - 450 Nit - 2160p - HDMI - USB - Serial - Wireless LAN - Ethernet - Gray - Energy Star: