Below are some advantages: I arrived soon, poked around a bit in the settings, and discovered that in order for the application to function, the country China needed to be set. This allowed me to get the application up and running. Since the wife's husband altered the settings to English, the machine may now communicate in that language. Despite the fact that there is no year 2022, this is not required in any way. I constructed a route map, and you may select individual rooms to clean in any order you like. Extremely happy with the performance of the vacuum cleaner. Below are some downsides: Due to the unfortunate fact that the plug did not come with an adaptor, I was forced to purchase one separately.