This just didn't work for me and my cats at all. I have a multi cat household and I had 2 cats that just weren't getting along. I had several people recommend this product. But it just wasn't effective for me. I tried the product exactly as the directions suggested. I found a much less expensive product that ended up working for me. But this product just didn't do what it claimed. I do however know people that have used it and are perfectly happy with it. So as with any product it just depends on the people or animal and whether or not it will work for you. Because not every product can work for everyone. I'm just not sure why I got zero results when I tried this. I was really expecting great results. I still wonder if I got a product that just wasn't working properly. Maybe the diffuser itself wasn't functioning properly. It did last longer than it claimed it would so that may be the issue that I had with this product. It's supposed to have pheromones in it that are proven to calm cats. It's supposed to help with anxiety, litter box issues, etc. You just plug it into an outlet and let the difuser do it's job. Unfortunately it didn't work for my cats.