1.can auto- cleaning ,
2.auto- charging (before the battery 's power run out , the cleaner will search thestation and charge automatically )
3. charging time can be set to clean at a certain time each day .
4.with stair avoidance sensors for avoid the cleaner falling down .
5.with non marring bumper (when meet barrier, it will rebound , but work still).
6.with touch-sensitive sensor to get out of the tight places , such as Sofa , Bed ....
7.with virtual wall (if you need clean one room/ a certain area only ; you may open the virtual wall, the cleaner will never go out the room/area ).