The flame diffuser humidifier can create a realistic flame effect by collecting light and mist. Add 2-3 drops of your favorite essential oil to relieve fatigue, moisturize your skin and ensure a pleasing atmosphere for you to relax. (The flame effect is affected by air movement). Fill your room with your favorite essential oils while enjoying the humidifier's cool mist, improve the air quality and relax. Flame humidifier turns off automatically after three hours. The aromatherapy diffuser has a built-in water level sensor, when the water level is lower than the safe water level, it will automatically turn off the power. Oil diffuser whisper-quiet operation(less 30dB), soothing your mood, relieving stress, and improving sleep quality.