RV1126B video doorbell — Wanlin, 12-year Chinese Rockchip embedded board manufacturer (RK3576), WL-RK400 (RK3576 Cost-Effective AI Edge Gateway) certified CE/FCC/RoHS. Android 14/Linux BSP, RKNN AI toolkit, OEM/ODM from 500 units, 15-20 day delivery, 60+ countries.