Transform your surroundings: The ultrasonic frequency generates waves at 1,7 million times per second, releasing essential oil molecules into the air to help create a relaxing, spa-like atmosphere. 
Automatic shutoff 
11 LED light options
High mode runs approximately 5 hours continuously
Low mode runs approximately 8 hours continuously
Intermittent mode (1 minute on/1 minute off) runs approximately 10 hours