· 2000Pa of Hard-Hitting Suction: The ultra-strong 2000Pa of suction power ensures more debris is picked up across all surfaces giving you noticeably cleaner floors.· App Control with Cleaning History: Complete all your cleaning needs right from your smartphone. When the job is done check-out where and when your RoboVac cleaned.· Set Boundary Strips: Exclude your kid’s play area or your pet’s bed. RoboVac uses specialized dual-Hall Sensors to detect the Boundary Strips you set, ensuring it only cleans the areas required.· The Right Way to Clean: The Path Tracking Sensor ensures that the G30 Verge adapts to changes of surface while remaining on the efficient route to clean each room. From carpet to hard-floor the right path is always taken.· Make sure you are using a 2.4GHz router or a dual-band router that is configured to support a 2.4GHz frequency band. RoboVac doesn’t support 5GHz frequency band.· Notice: This refurbished product may have minor cosmetic imperfections (non-functional). It is fully functional, comes with a 3-month warranty and lifetime technical support