Intelligent robot vacuum Smart Self-charging --B2000 can find the station when the battery is very not enough & self charge automatically. Easy step-by -step operation --By pressing only ONE button, you can easily direct the robot. Operations you select on the robot will be double confirmed by tone. Press "CLEAN" & follow tone demonstration, let your robot start working for you Dust bin wash --Dust bin could be washed by water Remote Control --With the remote controller, very small adjust to change B80