Pure essential oils. Ultrasonic vibrations disperse essential oils in a cool-mist diffusion. Positive change project. Bring aromatherapy into your everyday space. The Aura Cacia Essential Oil Diffuser utilizes ultrasonic vibrations to disperse a fine, cool mist of essential oils and water. By not using heat, the natural aroma profile of essential oils is protected. Its simple, modern design works well in any room. Breathe deep. Shine bright. Features: Ultrasonic cool-mist diffusion; easy to use and clean; auto shut off, choose between 1 or 4 hours run times; soft LED candle light with on/off feature; runs quietly. Specifications: Dimensions - 5.3 in. x 5.3 in. x 4.6 in.; coverage - 538 sq. ft; water capacity - 6 fluid ounces; power adapter - AC/DC 100-240 V. For a complete list of Aura Cacia essential oils and diffusion tips, visit www.auracacia.com. For general inquiries and technical support, contact customer service at 212-739-7898. www.Auracacia.com.