Ultrasonic Mushrooms Cool Mist Humidifier - Cozy LED Nightlights - Suitable For:Baby Room,Office,Bedroom,Car,Spa - Red Product materials: ABS+PP+PET Power : 6 hours off automatically. Suitable for : children's room, bedroom, bathroom, living room, office, car, outdoor, and so on DO not suitable for Aromatherapy .The humidifier is best to use tap water. Don't worry about any problem, you can contact us if anything wrong, we provide 100% satisfation or money back.