... sign/el advertisement can give our impressions vividy,with the shinning flash image,it will benefit ... .billboard,used to show bill for movie and party,light box Features:1.Super thin, ... .6-0.8mm2.High brightness3.Eye attractive and visually captivate4.Long lifetime:at least 8000hours, ... customized7.Green product.no harm to human body and environment Accessories:1.EL advertising panel 2.Inverter ...