Huicocy Mini Ultrasonic Oil Diffuser Portable 180 Rotation Car Air Purifier Air Mist Humidifier Car Charger Humidifier for Car Supplies ( blue) high quality. 180 degree rotation which make a full humidification; can be charged by car charger Relief from dry air, cold, flu, cracked skin in the winter and cold weather Simply plug the humidifier into your car's cigarette lighter,100ml water and it works. Operating voltage: DC12V,Working Current: 130mA-150mA,Use Power: 1.5W-2W,Water tank capacity: 50ml,Spray volume: 25ml / hour