[10/11/2017] RolliBot LE-601 全自動吸地機，RolliBot LE-601 Top Ranked 3D Laser Mapping LASEREYE Robot Vacuum: 100% Clean Floors, Cliff and Object Detection, 2D Map with App, Black，目前特價只要$299.99 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買: amazon。