1. Simulated light--WIth colorful night light,create and soothing .2. diffuser--Can be added essential oil,spread pleasing , body and mind.3. Purify the air--Crystal salt stone release the negative ions to help you air.4. Prevent dry burn--Automatically power-off when the water used up.5. Timing shutdown--Timed for 1/3/6 hours,convenient for use and save energy.6. Silent work--Low noise less than 36db,noiseless without disturbing sleep or work.Power input: DC-5V-1AHumidifying power: 3.5W (MAX)Timed humidification: 1-3-6HWater tank capacity: 250mLSpray efficiency: 20-80ml/hProduct size: 191 x 81 x 123mmPower supply: Type-C USB plug in useColour:WhiteMaterial:ABSPackage Contents:1 x diffuser1 x usb cable1 x English instructionsOnly 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.