?Premium Quality Assurance?: Our essential oil diffuser is made with high class ceramic cover and safe base. The diffuser has passed a series of tests, with CE certification, you can use it worry-freely. If there is any problem with this diffuser, please tell us immediately. Your satisfaction is our goal!. ?Waterless Auto-Off Protection?: The electric aromatherapy diffuser is equipped with 4 time setting modes (0.5H,1H,2Hs,Continuous), you can easily choose the mist mode according to your needs. It will automatically stop working when water is running out. This function helps you keep away from overheating accident when you sleep at night. ?Whisper Quiet Ultrasonic Technology?: This ceramic essential oil diffuser adopted advanced ultrasonic technology (<30dB), it is extremely quiet without annoying noise when you sleep or work. The ultrasonic diffuser helps you create a peaceful and relaxing aromatic environment. ?Multifunctional Oil Diffuser?: Aromatherapy diffuser, cool mist humidifier, night light. Multi-function: moisten skin, humidify air, relive stress and improve sleep. With 7 LED lights, you can choose cycle colors or fix on one color. Light could be turned on independently as night light. Wonderful gift for family and friends. ?Handmade Ceramic Diffuser?: This essential oil diffuser with hand crafted ceramic cover is exquisite and elegant. The diffuser is perfect used for home, office, gym, spa or studio. You only need to fill up with water and a few drops of essential oil to get the aromatherapy enjoyment and fragrance easily.