EVERTOP Robot Sweeper, Smart Home or Office Floor Cleaner for Pet Hair, Dirt, Daily Dust Removal, Blue Sweeping mode: Free Style on the floor. Good device for light every day bare floor cleaning. With the long length edge brush, it is convenient to clean larger area One push button to dump the dust easily, No need to touch the rubbish. When the vacuum is going in circle, it is one of vacuuming mode. It can change to other mode like straight mode automatically. Performing well on Tile Floor,Hardwood Floor,Marble Floor. Easy to carry or move it with its handle Clearly to show its power capacity percentage and balance time during working,The infrared induction function for wall or furniture to turn direction in advance Please kindly make use to use it on wide open bare floor. Only 2.56 inch in height, goes under beds and furniture easily. You can purchase these pare parts if you need to exchange it: Side brush-B01LWUOGVA