eFlyer 300ml Aroma Essential Oil Diffuser,Ultrasonic Air Humidifier with AUTO Shut off and 8 HOURS Continuous Diffusing,7 Color Changing LED Lights and 4 Timer Settings for Office Home SPA Baby Room Alternationof 7 Colorful LightsThe alternationof 7 led night lights Aroma Essential Oil Diffuser creates a romantice atmosphere.It also fills the space with a lovely fragrance that can lift the mood and relieve stress from stressful and tired day, perfect for masking stubborn smoking and pet odors, get great and peaceful nights' sleep surrounded by the aromatic fragrance. 5in1 FunctionsThis 300ml Aroma Essential Oil Diffuser features five incredible uses! In addition to providing spa-quality aromatherapy, it acts as a humidifier, a night-light, an air purifier, and an ionizer Super Qulity Ultrasonic TechnologyUltrasonic Diffusing technology which produces vibrations at a frequency of 2.4 millions times per second breaks water and essential oils into extremely fine micro-particles without using heat (heat alters and destroys the properties of essential oils).Super quite when work to make you sleep well at night. Improves Air QualityAs an Aroma Essential Oil Diffuser, this Air Humidifier can vastly enhance a room's air quality! Whether from pollution, allergens, or secondhand smoke, better air quality can improve your breathing and reduce symptoms like dry cough. One Night Use Time:This Aroma Essential Oil Diffuser with Large 300ml water capacity that can continue use up to 8 hours each time. When time is up or there is no water, it will turn off automatically. Press the "Mist" button for more than one second, choose the timer from 60 mins, 180 mins, 360 mins or ON.