Highly portable, the Traveler is one of the smallest compressor nebulizers on the market. It weighs less than a pound and is smaller than a standard size postcard. Small, long lasting battery, the Traveler battery is small, easy to attach and weighs .8 pounds. With a 45 minute life on the battery, the user can be reassured. The DeVilbiss Traveler Portable Compressor Nebulizer System is the perfect companion for travelers making it easier to use and more suitable for the active user.