The iGo Portable Oxygen System is the perfect solution for keeping an active lifestyle. This lightweight, 3-liter, portable oxygen system provides two modes of operation - continuous flow or PulseDose delivery. The reliability and safety of PulseDose oxygen delivery has been proven effective in clinical testing as well as through independent tests performed by physicians and respiratory therapists. The iGo comes complete with a battery, AC power adapter, mains lead and DC power adapter. The iGo includes the DeVilbiss Oxygen Sensing Device and service alerts to give peace of mind that the iGo is delivering exactly what is required.