Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping hybrid that's pretty impressive. It's expensive and hindered by a cumbersome, slow learning-curve app. Drop a sheet of soap into the tank for clean water at the base station to clean. https://vacuum-mop-robot-cleaner64947.bloggerbags.com/32859530/what-is-eufy-robot-vacuum-and-how-to-use-what-is-eufy-robot-vacuum-and-how-to-use