el sound activated poster el poster ,el light poster high brightness el poster long lifetime el ... image,it will benefit you more on the advertising of youUsage:1.Company notification,used to publicize company culture2 ... billboard,used to show bill for movie and party,light box Features:1.Super thin,about 0.6-0 ... standard:CE/ROHSWe can do any size,any animation of el panel with high quality,it's really ...