Super Suction Power: 4000Pa of intense suction picks up dirt and messes easily from the surface and deep within carpetIt has 4 levels of suction, you can adjust the level of suction according to the degree of dirt.Smart-Cleaning LiDAR: The advanced Lidar navigation enables better accuracy, faster mapping, stronger performance in bypassing obstacles, and more efficient route planning.Vacuum and Mop 2-in-1: 270ml Large water tank + 570ml Dust tank size + 3 Levels water flows; It can clean your house thoroughly by using effective sweeping and mopping configuration150 mins Overlong Runtime: The 5200mAh high capacity battery reaches up to 150 minutes of run-time, and it can clean 2690 sqft; and It makes your cleaning last longerSmart App Control: App remote control allows you to adjust suction power, set up virtual walls/restricted areas, etc. Once connected to Echo Dot, the robot responds to your voice orders immediately.