SpaRoom’s Sienna Essential Oil Ultrasonic Diffuser features a beautiful ceramic ribbed cover in white crème in a modern shape to compliment your room décor! The diffuser includes an automatic safety shut off for peace of mind and will provide continuous mist for up to 4 hours and intermittent misting up to 8 hours at 30 second intervals. The ultrasonic diffuser is perfect for small rooms up to 100sq. ft. and it has a water capacity of 70 ml. Simply add a few drops (1-3) of our 100% pure essential oils for easy setup to enjoy instant therapeutic benefits and a wonderful, natural aroma through your space. Powered by the included USB cord Sleek enough to double as decor, this SpaRoom diffuser offers hours of relaxing scent that helps create a soothing ambiance. Provides continuous mist for up to four hours and intermittent misting up to eight hours Ideal for small rooms up to 100 sq. ft. Automatic shut-off Approx. 100 ml water tank Includes USB charging cord Approx. weight: 1.2 lbs. Approx. dimensions: 3.6"L x 3.6"W x 8.27"H PLEASE NOTE: USB Power Brick not included.