Two modes: floor and carpet, I use both, enough for a kopeck piece (I turn it off when moving large objects). You don't need to keep your finger on the button. There is also a max gain, but I haven’t needed it yet, it will discharge faster with it. On the axis of small wheels, brushes can wrap hair (like all vacuum cleaners), the wheels are easy to pry, remove, remove hair and put in place. After it, an ordinary bandurina with a wire is not even needed for nothing 😁. Now mom wants the same instead of her detergent