The Airome 100 mL Medium Ultrasonic Essential Oil Diffuser works by using slight vibrations to emit a fine mist of cool water carrying your favorite essential oil. All Airome products are made using quality materials of ceramic, porcelain, glass, and metal. The medium 100 mL diffuser allows you to enjoy a mist of essential oils for up to 8 hours. From traditional and classic to modern and geometric, we've created a variety of styles for every mood and decor. Your choice of two settings or intermittent, which will run for 8 hours, or continuous, which runs for 4 hours. The diffuser automatically shuts off when water runs out. 

• DESIGN: Our Wood & Ceramic diffuser is a classic combination of wood and ceramic. The ultrasonic mist unleashes a subtle scent through 2 mist modes, while the elegant design creates a relaxing atmosphere wherever you place this diffuser. Measures 3.9" x 3.9" x 6.3". 
• INCLUDES: Includes diffuser, designed sleeve, measuring cup and 5' electrical cord.