Lower than 35 dB -- Creating a quiet and relax surroundings. With new Fan Technology, it circulates the aromatic mist around a larger area. It also has been designed to run at lower than 35 dB (other brand runs at more than 40dB), so it won't disturb your relaxation. Just enjoy your time. | 7 Changing Mood Lights -- Life is colorful! Same as this diffuser. Each of lights is adjustable between Bright and Dim modes, and could be set steady on. You can choose the color you like or see the changing of them. Color including: green, dark blue, red, yellow, pink, light blue, white. | 4 Timer Mode -- To choose time is to save time. This can help you to choose when the device automatically turns off. Select 60, 180 or 360 minutes or simply select ON for a continuous mist. | Auto Shut-off Function -- This gives you the peace of mind, as when the diffuser runs out of water, it will automatically turn off. Never worry about that it would burn off the diffuser. | Money Back Guaranteed and Excellent Customer Service for You - InnooCare essential oil diffuser is the most suitable choice for essential oil. With our warranty policy for our customers, you are covered by 45 days money back and 12 months warranty. Any problems, just contact us. Choose us, the most suitable choice for your life.