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. Self Service Ordering Kiosk, Commercial Display Solutions , Digital Signage Display , Free Standing Digital Signage ,Menu Board Screens . If you are looking for a good quality, fast delivery, best after service and good price supplier in China for long-term business relationship, we will be your best choice. The product will supply to all over the world, such as Europe, America, Australia,Angola, Chile,Portland, Zimbabwe.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.