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. Dienes Interactive Whiteboard, Commercial Digital Display Screen , Advert Display Screen , Digital Menu Screens ,Digital Advertising Screen . We sincerely welcome customers from both at home and abroad to come to negotiate business with us. The product will supply to all over the world, such as Europe, America, Australia,Guatemala, Germany,Russia, British.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.