The Aroma-Ace is a powerful, compact, and easy to use essential oil diffuser system for aromatherapy. The Aroma-Ace has built in on/off timers and output volume control for easy adjustment. It is designed to easily and conveniently bring spa quality therapeutic aromatherapy to your home, office, hotel room, or anywhere that you wish. The Aroma-Aceâ is designed with a quick change atomizer system that connects directly to the essential oil bottle; this makes changing essential oils a breeze. No pouring, No mess, just put your bottle directly on the atomizer, then with a flick of the wrist... presto! The wonderful aroma of your favorite essential oil. Each Aroma-Aceâ includes: 2 (TWO) quick change atomizer attachments 2 (TWO) 15ml bottles Instructions The Aroma-Aceâ is built in USA and will provide many years of dependable service.