... writing board Shenzhen LED Writing Board WE ARE THE ORIGINAL MANUFACTURER!!! ALWAYS IMITATED BUT NEVER DUPLICATED!!! Shenzhen LED writing ... *100cm 6. Over 50,000 luminous hours of continues use.7. Energy efficient, environment friendly with symmetrical lighting effect ... storefront, window displays, lobbies or host stands.9. Great for use on places such as restaurants, bars, hotels, stores, supermarkets ...