This is a wonderful traveling companion to have for going from wet climates to dry. I put lavender oil in it and at bedtime when I need to go to sleep, I breathe it in and it makes my nose feel so much better with the moisture and the lavender helps me to sleep. When I need to see at night to get to the bathroom, the light helps me see. I really love this portable humidifier may will buy more of them for family and friends for Christmas!.