Sosu nano smart blackboard 4K high-definition display, A+ LCD panel with brilliant colors, high-contrast high-brightness display resolution that can support up to 4KUHD, high-light filtering technology, filters out 85% of the light source that is harmful to the eyes, making the picture softer. Lcd White Board, Commercial Wall Display Systems , Window Screen Store , Ooh Display ,Outdoor Advertising Digital Screens . We have experienced manufacturing facilities with more than 100 employees. So we can guarantee short lead time and quality assurance. The product will supply to all over the world, such as Europe, America, Australia,New Orleans, New York,Irish, Russia.Four save money. Reduce labor costs, improve ordering and delivery efficiency, and thus achieve a win-win situation of "restaurants save money and make money, and customers are simple and convenient".