Specifications: 1,ideal Product For Families, Used For The Beauty. Besides Skin Care And Used For Interior Humidifying In A Powerful And Efficient Way 2,silent Operation, Virtually Noiseless Operation, Noise Level As Low As 50 Db 3,ideal For Home Use,Continuous Working At Various Angles, Suitable For Child, Adult And Elder 4,lightweight And Portable, Handy Design, Can Use Anywhere And Anytime. 5,automatic Protection:when The Water Level Is Lower Than The Water Level Switch, The Atomizer Will AutomaticallyStop Working. *material:abs+pp *power: 2.0w *atomization Rate: Less Than Or Equal To 0.2ml/min *atomized Particles: 1-5um *liquid Cup Capacity: Up To About 8ml Minimum 0.5ml *working Frequency: 120khz10% *power Supply: 2xaa Battery (without Battery)(or By Usb Cable)