AROMATHERAPY DEVICE: This ultrasonic essential oil diffuser is an amazing multifunction aromatherapy device unlike any other you've ever used. It features a large and easy to clean 300ml water tank, 7 different LED light colors, multiple mist nebulizer modes, as well as a safety auto-switch that prevents it from overheating in case it runs out of water. PREMIUM QUALITY MATERIALS: When it comes to our premium essential oil diffusers, we make a point of using nothing but the same ultra-high grade, safe, and eco-friendly PP materials bab-y bottles are made from, as well as state-of-the-art production processes and strict quality control. A GREAT GIFT IDEA FOR EVERYONE: If you're in the market for a nice and practical gift, you can stop looking. This great aromatherapy essential oil diffuser is a thoughtful and handy present, one that everyone can benefit from. With a combination of style, design and function like that, it's a great hit! PERFECT FOR DIFFERENT OCCASIONS: The mist and light functions of this aromatherapy diffuser work separately. You can turn off the light at night while sleeping. Or use this diffuser as a nightlight. It's a wonderful companion for reading, sleeping, working or doing yoga. NOTE: Before power on, make sure there is enough water in the tank, this product can not be turned on in the case of no water;Add water shall not exceed the water line, so as not to overflow, must ensure that there is enough water in the water tank; You should press the switch again every two hours.