It is larger than expected; but, with 2 cats, I am happy with it.Unit sits on floor and usb cord just barely goes to the above kitchen counter plug in. I have no wiggle room for placement.Cats instinctively prefer water away from where they have their food. So, at this point, with two new cats: one I got a week prior just started drinking out of the fountain today. Yayy!The second new Kitty is far more skittish. Water is very important, so, I keep rinsing 2 ceramic bowls placed in different spotSee full review