Inogen Rove 6 Portable Oxygen Concentrator, 8 Cell Battery with FREE 2 Wheel Cart

Weight: 4.8 lb (3.1 lb with intermediate battery).
Dimensions: 5.83" x 2.64" x 8.14" (Height includes standard battery).
Oxygen Flow: Intelligent Delivery Technology. Four flow settings from 1 to 6.
Power Settings: AC Power Supply 100 to 240 V, 50/60 Hz (auto sensing to allow worldwide use).
8 Cell Battery: Up to 6 hours, 15 minutes @ flow setting 1.
Noise Level: 39 dBA @ flow setting 2.
Use: Designed for stationary, portable, and travel.