I tried this product for free in exchange for my honest opinion. I tested the Honeywell Top Fill Ultrasonic Cool Mist Humidifier. It is a very simple, easy to use humidifier. It does not have any advance functions like timer, cold/warm mist, etc, but if you are looking for a simple humidifier to use, and just adjust the strength of the mist, this will be for you. I use it on my toddler's room, and it is very quiet which is what I want. The light also not very strong and good as a night light. The mist is able to adjust very minimal, to very strong. The best thing is it is easy to refill water. I do not need to carry the humidifier to washroom  to fill out with water, unlike other humidifiers I used before. I used it for 4 nights (about 10 hours each night) before I need to refill the container.