Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the market for robot vacuums. It's a sweeper/mopping hybrid that's quite impressive. It's costly and is hindered by a slow, clunky learning curve application. Drop a sheet of soap into the tank for clean water at the base station https://vacuummoprobotcleaner17378.thenerdsblog.com/33235718/5-eufy-robot-vacuum-projects-that-work-for-any-budget