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. Elevator Screens, Digital Food Menu Boards , Menu Signage , Digital Menu Design Software ,Digital Menu Display Software . We warmly welcome mates from all walks of life to hunt mutual cooperation and develop a more good and splendid tomorrow. The product will supply to all over the world, such as Europe, America, Australia,Lithuania, Kyrgyzstan,Lebanon, Bangladesh.The online version of the interactive digital kiosk can realize unified management, and the terminal can manage multiple devices in the background, reducing manpower and time expenditure.