... cleaning mode Self-charging Function,Mop function Virtual Wall Robot Vacuum Cleaner with auto charging function, works on carpet, tile,hardwood ... 6:Low noise: < 50dB7:Flexible side brush8:1L Large Capacity Dustbin—1L9:Virtual Wall10:Self-charging Function11:Mini Body12 ... Controller x1color: red,white,black,purple,blue Robot Vacuum Cleaner with auto charging function, works on carpet, tile,hardwood etc ...