Seven Soothing Light & Delicate Mist: Bedroom Scent Diffuser Vaporizers uses ultrasonic technology to make the mist more delicate. With plant essential oils, it can soothe your soul. Great night light for young children who are afraid of the dark night. Long Time Working: This Fragrance Oil Diffuser comes with 4 built-in timer setting modes: 1 / 3 / 6 Hours/ Continuity. You only need to pour in enough water and a little essential oil to enjoy the smell of forest. Inner peace,sit back and then work, study, clean, unwind, exercise, etc. Large Capacity & Waterless Shut-Off: Our cool mist humidifier diffuser has a 550 ml capacity and uses state of the art wave diffusion technology to atomize essential oils for better life. For product life, the atomizer will auto turn off when waterless. Wonderful Gifts for Your Lover and Friend: The Aroma Vapor Diffusers can be used as Humidifier,Air aroma machine, Night Light,Great Gift. To create a peaceful and comfortable environment for you to relax and enjoy life. Diffuser humidifier with essential oils is the best gift for your sweetheart. Diffuser with Essential Oils Set: The essential oil set includes our most popular wood grain essential oil diffuser (550ml upgraded version) and top 10 pure essential oils. Lavender, tea plant, peppermint, eucalyptus, lemon, orange, rosemary,frankincense,cedarwood, cinnamon essential oils go perfectly with ultrasonic oil diffuser to bring inviting, lively, and aromatic scent.