Price reduced from 60,000 to 58,000! I bought two of these, one for the first floor and one for the second floor, when they were released in September, but my husband said I didn't need two. They are brand new and unopened, so please understand that I haven't been able to confirm their operation. The Roomba Plus 406 with automatic cleaning function provides efficient cleaning. - Model: Roomba Roomba Plus 406 - Function: Combo Robot + AutoWash Charging Station - Features: Equipped with CleanBase technology - Usage: With automatic cleaning function - Other: Multifunctional cleaning system