1. frontlit led letter signs with promotion face led beads 2.LED up to 50,000 hours life span 3.Up to ... and colorful-visible day and night4.304# stainless steel LED letter with brushed or polished finish5.Water proof and anti-rust for ... , architecture, decoration, exhibition, and lighting, etc*Quality: 5 star quality, 100% satisfaction guarantee*Service: one-stop service, customer-oriented after sales ...