Yquelle Mini USB Ultrasonic Lamp Humidifier Mushrooms Humidifier with LED Lighting Creative Gifts Ideal (Pink) Suitable for : children's room, bedroom, bathroom, living room, office, car, outdoor, and so on Power : 6 hours off automatically. Product materials: ABS+PP+PET Lighting Source:Led DO not suitable for Aromatherapy .The humidifier is best to use tap water.