55"FHD Video-Wall,Even bezel : 0.44mm, HDMI(2), DP(1), DVI-D(1), Audio In, RS232C IN/Out, RJ45(LAN), IR IN, USB(1), WebOS 4.1, Operation Hours (Hours/Day)24/7,Portrait / Landscape,Bezel Color: Black,Handle,Internal Memory8GB,Temperature Sensor,BLU Sensor,Acceleration(Gyro) Sensor,Local Key Operation,Embedded CMS,USB Plug & Play,Fail over,RS-232C Sync,Local Network Sync,Video Tag,Play via URL,Screen Rotation,External Input Rotation,Gapless Playback,Tile Mode Setting,Setting Data Cloning,SNMP,ISM Method,Auto Set ID,Status Mailing,Control Manager,Crestron Inside,Smart Energy Saving,PM mode,Wake on LAN,Network Ready,HDMI-CEC ,SI Server Setting,webRTC,Pro:Idiom,W/B Setting by Grey scale,Scan Inversion,Operation Temperature0 C to 40 C,Operation Humidity10 % to 80 %,Built-In Power,SafetyCB / NRTL,EMCFCC Class "B" / CE / KC,SuperSign CMS,SuperSign Control / Control+,SuperSign WB,SuperSign Media Editor,LG Connected care,Smart Calibration