The Stone Diffuser scents your home naturally and looks beautiful while doing it. With a matte ceramic cover and sculptural silhouette, it doubles as a piece of decor. MATERIALS & SPECS Materials • Matte ceramic, BPA-free plastio. Technology • Ultrasonic: 2.5 vibrations/second. • 4-hour and 8-hour settings. Specs • Width: 8.7 cm. • Height: 18 cm. • Weight: 1.1 lbs. Misting output • Consistent: 1fl. oz./hour. • Intermittent: 0.40 fl. oz./hour. Diffusing capacity • 500 sq.-ft. Safety • Automatically turns off when time is up or when water runs out. Power cord • Compatible with North American outlets. Orders outside of North America require a plug adapter.