... senior technician3Lighting SourceLED Module built in4Lighting ColorAny Pantone for customized5LED FeaturesWaterproof, energy saving and long lasting, ... With 1:1 fixing template for installation reference11Application SiteRecommend to use outdoors as advertising signs for hotels, shops, companies, buildings ... ,UPS,FEDEX,TNT, OCEAN SHIPPING LED channel letter sign for advertising(Rohs+CE+ISO9001)