Up to 60 Days* of Hands-Free Cleaning: The auto-empty station uses 25,000 Pa of suction to remove dust from RoboVac easily. It is collected in an anti-bacterial and deodorizing dust bag** which stops dust and bad smells from escaping and prevents the growth of bacteria. It can be used for up to 60 days* before needing to be replaced. (Includes 1 spare dust bag.)iPath Laser Navigation: Using advanced LiDAR technology to scan your home, RoboVac can build a real-time map to navigate its way through your space precisely. It also uses a Z-shaped path for a more efficient clean.Ultra-Strong 3,200 Pa Suction: 4 levels of suction with up to 3,200 Pa of power ensure that dirt, crumbs, pet hair, and more are efficiently removed from hard floors and carpets for a superior clean.Controllable Water Tank: RoboVacs 200 ml electronic water tank can be conveniently controlled via the app to allow you to switch between 3 water flow levels when cleaning different floor types.Multi-Floor Mapping: RoboVac can create maps for up to 3 levels in your home. It will also automatically recognize the floor its on once you set it down. The saved map includes both room layouts and custom preferences such as No-Go Zones.Voice Control: RoboVac supports Amazon Alexa and the Google Assistant so you can control RoboVac with your voice while you enjoy your free time.