... 3.Up to 90% energe saving Specifications1.CE ,RoHS and UL certificated LED module use CHIMEI chips,2.Super high ... steel LED letter with brushed or polished finish5.Water proof and anti-rust for both indoor signs or outdoor signs6.LED transformer:12V7 ... : shop signs,bank signs ,hotel signs,hospital signs, school signs ,advertisement, architecture, decoration, exhibition, and lighting, etc*Quality: 5 ...