LED moving sign is related to a single line of multi-line display,the shape of led sign is some strip.According to the using area environment it be divided into: indoor,semi-outdoor,outdoor three types.The color is including:single color,tri-color,full color,the communication ways are:infrared remote,rs232/rs485/TCP/IP wire communication etc.and wireless communications:GSM/GPRS and direct U disk display function.It spread over advertising, car ,train,subway,(bus station,train station,airports,terminals)hall,factories,conference rooms,shop,door lintel and other places