Works on hard floors and carpetsnavigates under and around furnitureautomatically charges itself between cleaningscleans along wall edges using a spinning side brushcleans on a schedule thats convenient to youavoids stairs and other drop offsdual hepa filters to trap pet dander dust particlesand other allergensdetects dirtier areas and cleans them more intensley2 hour charge time60 minute run time61db noise levelh92 x l350 x w350weight 385kg