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. Interactive Boards For Business, Signage Menu Board , Ad Display Screen , Create Digital Menu Board Free ,Digital Wall Screens . We give priority to quality and customer pleasure and for this we follow stringent excellent control measures. We've got in-house testing facilities where our items are tested on every single aspect at different processing stages. Owning to latest technologies, we facilitate our clients with custom made creation facility. The product will supply to all over the world, such as Europe, America, Australia,Sacramento, Estonia,United States, Bogota.1. The advertising digital signage is part of our LCD retail series, a digital advertising stand that enables owners of retail businesses, restaurants, clubs, exhibitors, and event organizers to upload any video and digital stills in the most straightforward way content to showcase its core offerings. It's intelligent, stylish, and simple. It offers high resolution with a pixel pitch of 2.5mm. Users can place it anywhere, and it is portable and easy to maintain.