in general, I did not find any shortcomings, everyone at work caught fire and wants to buy after my stories about this dust!
many write that the on must be held, but this is done in order to squeeze the maximum time! as long as you move from one place to another, and the on would be turned on, then time would be lost!
I really like it, although many dissuaded me! It's not like a vacuum cleaner! yes, it may not be suitable for general cleaning, but for every day and for those who have animals, See full review