1. led light box, led lighting box 2. Super Thin Crystal Frame LED light box 3. Material: Crystal ... Frame 4. 50,000h life span Product Description: 1. Super Thin Crystal Frame LED light box2. Transparent Borders, Exquisite Crystal3 ... thickness10. Material for Crystal Frame Application 1. hotel bar, super market, business hall, image sign2. dinning room, subway station, tunnel, cinema, night ...