Quiet And Continuously Operation Won't Interfere with Your Work, Sleep & Drive.Diffuse Mist Throughout Your Living Space & Enhance the Moisture of the Skin Space.7 Color Changing Lamps for Your Choice, You Can Choose Color Between Two Modes: Steady on, Changing ColorThe Water Level is Clearly Visible from the Outside to Monitor How Much is Left.Working voltage:DC5VWorking current:400mAPower:2WWater storage capacity:220mlHumidification:35ml/HWork Time:Level 1 :8H ,level 2: 16HNoise: less than 36dbHumidification Method: Mist DischargeWater-shortage Power-off Protection: YesFunction: Ultrasonic SterilizeShape: Classic ColumnarApplication: less than 10Humidity Control: manualClassification: HumidificationModel Number: USB Air HumidifierMist Outlet Quantity: OneType: Ultrasonic HumidifierTiming Function: YesInstallation: MiniOperation Method: Keyboard TypePower supply: USB cable (without battery, non-rechargeable)colour:PinkMaterial:ABSsize:10.8 x 8.5 x 9.9cmPackage Contents:1 x Aroma HumidifierOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.