Designed for the active individual, the Pari Trek® S compressor offers complete portability. Delivering fast and effective treatments while so small (2"H x 3"D x 5"D) and lightweight (1 lb.) that it fits in the palm of your hand. Use anytime, anywhere: home, office, on the road, at school, sports events, while traveling, etc. Can also be used as a stationary wall plug-in unit. Ideal for children or adults. Unit comes complete with LC Sprint Nebulizer, multi-voltage AC adapter and carrying case. Add the optional Rechargeable Battery & Kit for unlimited usage without the need to plug into an outlet. Kit also contains 12 V DC adapter for use in auto, RV or boat.