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. Smart Board Cost , Indoor Advertising , Pizza Menu Boards , Drive Thru Digital Signage ,Digital Signage Display . We feel that our warm and professional support will bring you pleasant surprises as perfectly as fortune. The product will supply to all over the world, such as Europe, America, Australia,Bangalore, New Orleans,Birmingham, Gambia.2. The floor digital signage is designed with the latest technology to make its appearance smoother and slimmer. It is made of beautiful anodized lightweight and durable aluminum, which makes the whole advertising frame weigh less than 35kg, making it more portable and easy to install.