Elevator digital poster display — Wanlin AndroidSBC, 12-year Chinese building advertising Android motherboard manufacturer, WL-BA500 (RK3288 Digital Signage Board) certified CE/FCC/RoHS. Rockchip RK3288 quad-core Cortex-A17 1.8GHz + Mali-T760 MP4 + 4K@60fps + 2GB/4GB DDR3 + 16. MOQ from 50 units, OEM/ODM from 500 units, 12-15 day delivery, 60+ countries.