Vacuum and Mop 2-in-1 Robot Vacuum Cleaner Features: Next-Generation USLAM Air 5.0™Equipped with the latest USLAM Air 5.0™ algorithm and LiDAR navigation system, AIRROBOT20+ is capable of scanning and generating maps more intelligently and accurately todetermine the most effective path to clean your house with centimeter-level accuracy,even in a complex, dark, or glaring environment while cleaning.Effective Cleaning Area: (200 ?) = 2152.8 ft² *Cleaning Efficiency in One Pass: 90% *Runtime: Up to 150 min * Upgraded Full-Floating Main Brush. More Flexible To Clean Than EverThe upgraded all-rubber floating main brushfeatures a newly designed floating cover thatflexibly cleans edges and corners in fourdirections and reduces tangle of hair, stayingclose to the floor to remove debris moreefficiently Auto Emptying, Hands-free for 7 Weeks *Household chores are easier with the AIRROBOauto-emptying dust base. It empties the trashwith 2600Pa of suction power, hand-free for upto 7 weeks