... painted,electro-plated3Light SourceLED modules inside4LED FeaturesWaterproof, high lighting, energy saving, and 50.000 hours guaranteed ... colorful-visible day and night4.304# stainless steel LED letter with brushed or polished finish5.Water proof and ... , school signs ,advertisement, architecture, decoration, exhibition, and lighting, etcQuality: 5 star quality, 100% satisfaction guaranteeService: one ...