LG 55UM340E UHD TV Signage - 55" LCD - Advanced Super Dimension Switch ( ADS ) - 16 Hours/ 7 Days Operation - 2 GB DDR SDRAM - 3840 x 2160 - 16:9 - 4K UHD - 250 Nit - 2160p - HDMI - USB - Wireless LAN - Bluetooth - Ethernet - Android 11: