Roborock Q8 Max Robot Vacuum and Mop. - Vacuum and Mop in One Pass - 5500Pa High Power Suction - DuoRoller™ Brush - Reactive Tech Obstacle Avoidance - PreciSense® LiDAR Navigation - Adaptive Route Algorithms - Seamless Floor Cleaning - Customizable App Features - ScratchSafe® Wheels and Brushes - Work with Alexa&Google Home&Apple Siri - Off-Peak Charging Supported - 770ml Large Dustbin - Only support 2.4GHz Wi-Fi. 5GHz is not supported.