4000Pa Surging Suction : The superior 4000Pa Cleaning System lifts,,,, loosens,,,, then eliminates debris & pet hair from deep within your carpets. Increases suction to clean even deeper into carpets with power boost technology. No Disturbance With 60db Operation: Robotic Vacuum R1 adopts high-quality silencing cotton for noise reduction of whole machine,,,, reduces vacuuming noise to just 60dB,,,, about the same as a microwave.Under the surging suction of 2,,,,700Pa,,,,you don't need to wory about more noise. 250ml Electric Control Water Tank : The Water Output Can Be Adjusted At Will,,,, intelligent electic control water tank stats alam prompt when there is no water,,,,and it provides thee grades of water output options,,,,and is equipped with disposable mop cloth,,,,so as to clean different stains. Totally-Enclosed Dust Collection : Wth AD2.5 dust colection technology,,,, it has completely enclosed dust colection and keeps hands clean without dust emission,,,, which cares about your hand cleanliness and respiratory health. Inteligent Multi-Map Memory : cleaning robot can memorize multiple maps at the same time,,,, which means that multi-fioor maps can be saved on this application without re-mapping. This is very friendly for the house more than one floor,,,,so you don't need to worry that the robot will delete the map on the fist floor when it cleans the second floor.