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. Graph Paper Interactive Whiteboard, Digital Menu Board Software Free , Digital Advertising Panel , digital lcd poster ,Cloud Based Digital Menu Boards . Since the factory founded, we have committed to the development of new products. With the social and economic pace, we will continue to carry forward the spirit of "high quality, efficiency, innovation, integrity", and stick to the operating principle of "credit first, customer first, quality excellent". We will create a brilliant future in hair production with our partners. The product will supply to all over the world, such as Europe, America, Australia,French, Atlanta,Norway, Brunei.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".