Compact and easy to use. High quality durable design and manufactured by Omron. Air tub features easy to grip air plugs. Includes carrying case with accessory compartment. AC adapter and optional Rechargeable Battery make unit suitable for home or travel. "Ready to go" system maximizes convenience. 5 year limited warranty. Includes multi-lingual instruction manual and instructional DVD (English and Spanish).- Nebulizer System Accessory: Battery & Charger