Narwal Robot Vacuum and Mop Narwal is a relative newcomer in the robotic vacuum market. It's a sweeper/mopping hybrid that's quite impressive. It's expensive and hindered by a slow, clunky learning curve application. Drop a sheet of detergent into the tank of clean water at the base station to clean. https://best-robot-vacuum-and-mop28653.tokka-blog.com/27921304/the-infrequently-known-benefits-to-eufy-robot-vacuum