This real bamboo ultrasonic oil diffuser unites beauty and sustainability that's the perfect complement to your home or office. Has the features even a pro user would want: • 14 hr run time • 3.75" x 3.75" x 7" • Intermittent setting • Timer 1 hr, 2hr • Rotating light bar that can be fixed or turned off • Auto shut-off • 150ml capacity We use bamboo due to its naturally renewing properties, coupled with its pesticide-free and chemical-free harvesting.