This is a very high quality vacuum cleaner. High-quality materials: ABS plastic, Japanese NIDEC motor, DuPont central brush, BASF side brush, make Chinese products out of it on the contrary, where the developments belong to Roborock, and it is assembled from components of well-known world manufacturers. Compared with iRobot products, the advantages of S5 Max, in addition to price, are laser lidar navigation, which makes it completely insensitive to light, advanced moisturizing cleaning, less…