Soothing steam penetrates nasal, sinus and throat passages. Patented soft plastic hood designed to fit facial contour comfortably and allow cool air to mix with the steam. Variable steam control adjusts the steam level and temperature, allowing more comfortable and natural breathing. Compact for easy portability and weighs less than a pound. Dual voltage that is versatile for international travel. 1-year warranty. Dimensions: 5.5 L x 5.5 W x 8.5 H.