The beautiful doTERRA Volo Ultrasonic Diffuser comes in onyx and marble finishes, perfect for any room in the home or office. The Volo has a handcrafted polyresin stone top with a custom diamond pattern and features optional light settings: light-free, warm, and bright amber ambient light settings. This unique diffuser has a customizable output with multiple time settings–one, three, six hours or continuously up to 14 hours—allowing the ability to customize the release of CPTG Certified Pure Tested Grade essential oils into the air. *See diffuser manual for cautions and instructions