Hitachi Robot Vacuum Cleaner With LDS Navigation Mapping, Powerful Suction Power Up to 5000Pa, Auto Charge - RVX20PBKCG [Auto Charge] Auto Charge is a smart feature that takes the worry about battery life away. When the battery level is running low, the robot cleaner will automatically return home to its charging station to regain full battery health.[Mop Cleaning Feature] Ease into your cleaning routine. The mop attachment with an onboard water tank efficiently tackles hard floor surfaces following an initial vacuum for an extra level of cleanliness. The level of mopping can be easily adjusted via the mobile application.[Cleaning Setting on App] Personalize the cleaning settings to specific suction power and wetness levels needs in each room with the customized menu on application. Make it even simpler by scheduling regular cleanings with the scheduled setting, ensuring the robot keeps your rooms clean on a routine basis.[Cleaning Mode on App] Select room cleaning or zone cleaning and circle the particular area you want to clean. Allows you to personalize your cleaning routine according to the needs of your living space.[LDS Navigation Mapping] With little effort on your part, the robot vacuum remembers 5 unique and multi-level floor maps of your home using integrated laser sensor technology. Once the robot has accurately mapped and stored the floor space, it will intelligently detect its surroundings and continue to clean.