ROYALFiT Smart Auto Robot Floor Cleaner Anti-tangle Dirt Detection With Large Capacity Dustbin Self-charging PT-699 Black The robot will solve the big clean problems for you easily. Pets hair, blind side and edge, under the sofa. Large Capacity Dustbin-0.7L: more place for operating dustbin Dirt Detection (our patent): During the operation of the robot, if it reaches a place with a lot of dirt or debris, it will increase intensity to such area and prolong the cleaning time to the focus point. Adapting to all kinds of conditions: wood, carpet, marble, tile, marble More function:Automatic vacuum pool,Dust mop electric,Suction power changeable,Dust anti-falling system