LAYlala&reg; Unique Beautiful Mushroom Design 200ml Ultrasonic USB Air Humidifier Purifier with Led Light for Office Home Car Travel (red) USB Mini Humidifier with Led Light, ease dry eyes, eliminate static electricity, reduce radiation Humidify and purify air, ease dry eyes, eliminate static electricity, reduce radiation. PET material Eco-friendly, and you can see the water level clearly from the bottle Touch control for power on/off. It will display colorful light when working. Please use pure water to protect the humidifier, avoiding to use essential oil or other chemical corrosive substances