Bring aromatherapy into your everyday space. The Aura Cacia Lunar Essential Oil Diffuser utilizes ultrasonic vibrations to disperse a fine, cool mist of pure essential oils and water. By not using heat, the natural aroma profile of the essential oils is protected. The simple, sleek design works well in any room to fit the decor. Features: Ultrasonic cool-mist diffusion Plug-in power adapter Suggested room size: up to 150 sq. ft Easy to use and clean Auto shut off, runs 4 hours continuously or up to 8 hours intermittent mode 7 LED color, rotating or individual Includes AC adapter and Instruction Manual