I do not recommend this vacuum cleaner to anyone! If the Roomba 500 series worked for years without any problems, this model did not work even a month without changing the dark green brush. it's just a nightmare! dark green brush breaks in a couple of weeks! it, unlike the light green one, is made of terrible rubber, which is cut through by any threads, and anything, after that the brush becomes unusable, as it scrolls. Brushes are sold in pairs only. now in three months of use I have three unnecessary light green brushes. In general, I do not recommend this useless vacuum cleaner. On 12/27/21 the vacuum cleaner finally died. I gave it to the service, they repaired the main board, it cost 6500. There was no worse device in my life.
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