Features： [Large Capacity] 3L large capacity water tank, can be used for 30 hours (dual spray mode, 60 hours at single spray mode), no need to add water frequently, suitable for large room, office, and more. [Three Modes for Option] Dual spray, continuous single spray, and alternate spray mode accessible, satisfying your various needs. [Nanoscale Spray Moisture Display Low Noise] With advanced technique, the mist is super small, can effectively increase air humidity, which is displayed on the smart screen; working in low noise, does not disturb sleeping when using at night. [Colorful Night Light] One button to open the night light, creating colorful lighting atmosphere, helping to enter dreamland quickly and deeply. [Automatic Shut Down] The machine will automatically shut down after continuous working for 6 hours or when water is going to ran out, extending life time of the humidifier. [USB Power Supply] Plug and play, easy to get powered through desktop, laptop, power bank, and more, smaller power input, more flexible and secure to use.