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. Floor Standing Display Board, Commercial Displays , Ad Display Screen , Free Android Kiosk ,Window Advertising Display . We honor our core principal of Honesty in business, priority in company and will do our greatest to provide our customers with high-quality goods and fantastic provider. The product will supply to all over the world, such as Europe, America, Australia,Bolivia, Greece,Riyadh, British.The 86-inch meeting and teaching interactive digital board integrate a high-definition display, interactive whiteboard functions, and various touch technologies. The screens all use high-definition LCD panels with the high-definition resolution, which enhances the color expression of the picture and makes the wonderful picture vivid and lifelike. The equipment functions of touch screen products present such highlights as ultra-light and ultra-thin, ultra-low power consumption, no thermal interference, and ultra-low radiation. It has changed the disadvantages and shortcomings caused by traditional equipment such as complex wiring engineering, serious influence by ambient light, unclear display, shadows in writing, thermal interference, and high radiation.