... 500,000hrs life span Product name: Led Light Boxes, Led Super-thin Light Boxes Place for usage: supermarkets, shopping mall, stores, ... , even in very large sizes! Measuring less than an inch thick, these LED light boxes feature an edge lit system ... Thickness 15mm7. Easy to change graphics (Front loading snap frame)8. Brilliant uniform color temperature9. Mount horizontally or vertically10. 1 Years ...