【Enhanced Suction Power】: The maximum suction power of the vacuum cleaner can reach 4000Pa, which is very suitable for families with pets and houses troubled by hair. This robot vacuum cleaner with mop has a 270 ml water tank and a 570 ml dust box, which can easily provide excellent cleaning results. 【Lidar Navigation】: Effecting a laser scanner capable of sensing 360 degrees, Dreame D9 Max robotic vacuums mop can automatically remember the map of your house. Through App, you can not only see the path that the robot vacuum is performing but also select the areas that you want to clean. 【Powerful Battery】: Thanks to the 5200 mAh large-capacity battery, the vacuum cleaners can last up to 150 minutes. The cleaning robot will automatically return to the charging dock to charge itself when the battery is low, and it'll continue cleaning from the place where the last cleaning ended after being fully charged. 【Cleaning Mode】: The vacuum robot has 4 levels of suction power to choose from. After the robot mop enters the carpet from the hard floor, it will automatically increase the suction power and clean more powerfully. Through the App, you can control the water tank to control the water level. 【APP & Alexa】: In order to use all the functions of the Dreame robots, we recommend that you download App. In addition to the functions described above, in the app, you can also pre-set the cleaning schedule, set virtual boundaries, and upgrade OTA online. The robot also supports Alexa voice control.