Low Noise & LED Night Light: Essential oil diffuser works less than 28dB working environment. And light button and the spray button are separated, you could personalized the loved color to help you into a comfortable peace conditioin when sleeping. High Capacity: The large capacity of 500ml, with their favorite essential oil, is enough to keep the air moist and fresh for a room of 10-60 square meters all day long.Cover pet or smoking odors.Three timing modes 1 - hour timer, 3 - hour timer and 6 - hour timer.Continuous use time up to 20 hours, to meet your needs in different states. Superior Safety: You can keep this aromatherapy diffuser on at night, no need to worry about overheating because of the waterless auto-off protecting function, which assures safety for you and your family. BPA Free & Auto Shut-Off: Made of elegant marbling and PP material, it's safe for babies. When the water is lower than the lowest water level, it would stop working smartly, making the diffuser's life longer. It is recommended to add 8-10 drops of essential oils, that will creative a comfortable enviromment, helping us to relieve stress of all day. Stylish Gift: With its minimalist design and modern optics, the aromatherapy diffuser makes a great and valuable gift for your friends and family.