[Super Long Time for diffusing the oil] can last above 48 hours for add water diffuse the essential oil with the water Cute ornaments cute things can always bring people a happy mood It's so cute when it's not wet. [humidify the dry air a little and will not add too much moisture to the air]adding to your living room, office, bedroom, or anywhere you need to add a relaxing touch. the water can add some negative and energy to the environment Less than 35dB Noise reduction design is as light as the sound of breathing noise reduction design is perfect, a whole night humidification does not have the sound of water droplets quiet moist, your sleep Night Light with a little Product name: small humidifier Voltage / current: 5V-1A Water capacity: 300ml Product size: 120X68X107MM Colour:White Material:ABS Package Contents: 1 x humidifier 1 x USB cable Only the above package content, other products 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.