... 1. Construction signage: building sign, region sign, department sign, house sign, etc.2. Public signage such as NO smoking, emergency exit, Parking, WC, and direction ... . Traffic sign: name of road, sign of caution or ban, route of bus, sign of bus stop, etc advantages of Led billboard:1 ... Uniform and clear illuminated menu5. long lifetime6. The lifetime of LED can be up to 8-10 years.7. convenient for ...