ILIFE A4s Pro robot vacuum is designed with a roller brush suction port thus tackles carpet cleaning diligently and effectively. A4s Pro is upgraded with a higher level of suction power up to 2000Pa and an additional ElectroWall that forbids vacuum to run into unwanted area such as kids paying area. Enhanced suction can be auto applied on carpets, the working theory goes like a higher electric current caused by increased running resistance transmits to motherboard thus triggers suction boost command. A4s Pro supports 4 cleaning modes, auto mode for random cleaning, Max mode with increased suction 1400Pa, spot mode to clean a specific area in front of the robot with suction 2000Pa and edge mode to clean edges and corners. Note A4s Pro run approx 90 minutes on hard floors at a fully charge, 45 minutes for full carpets floors. Beside it feature 2 side brushes, 450ml large capacity dustbin, low profile of 3 high to clean under cabinet and sofa. Go and get your family a A4s Pro to make a difference on your life.