Simulation effect- warm ,soft lighting without dazzling.Aromatherapy diffuser-Can be added essential oil to spread the ,relaxed and soothing.Silent humidification-Noiseless without disturbing ,create comfortable sleep environment.Safe protection-Automatic power-off when the water used up to prevent dry burn.Delicate -Deeply moisturize skin and air,remove dryness and not wet the desktop.Water tank capacity: 200mlAtomization amount: 15-20ml/Humidification : DischargePower (W):5wVoltage (V):5VNoise:Less than 36db Outlet : One/aInstallation:USBWater-shortage Power-off Protection:YesFunction:AromatherapyModel Number: DiffuserApplication:11-20Humidity Control:ManualPower Type:USBType:Ultrasonic HumidifierShape:Classic ColumnarClassification:HumidificationOperation :Keyboard TypeFeature 1:Ultrasonic Atomization SprayerFeature 2:Essential Oil DiffuserFeature 3: Fireplace Air HumidifierFeature 4:Samulated Warm LightingPower Supply:Type-C Cable Plug in Usecolor:BlackMaterial:ABSsize:185 x 75 x 145mmPackage Contents:1 x diffuser1 x usb cableOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.