I really like the idea of this diffuser, but it doesn't quite live up to what I had hoped. It does work as advertised, but the fragrance doesn't get good circulation through the room. I think it's because of the location of most electrical outlets which is only a foot or so from the floor. I do have a couple of outlets that are placed higher in my kitchen and my bathroom where I will next test it to determine if that provides better circulation of the mist. That may increase the performance, but since the outlets in the areas where I would really like to place the diffuser are all near the floor, it just doesn't live up to my expectations. Another factor is the rate at which the essential oil is disbursed. You can set the diffuser to mist a short burst either every 10 or 20 minutes, but because the bottle of essential oil is attached directly to the diffuser, it is used at a faster rate than with a regular diffuser. That wouldn't necessarily trouble me if the mist were circulated more at the level of the nose, but as it is, it's probably more a waste of your essential oil.
Im on my 4th purchase and I love them. I started with one to see how it worked. I now how 1 at home and 2 at work one in my office and one in my boss' office. I'm planning on purchasing a few more for my home and couple for gifts. This is a great product!!!