Integrated PulseDose® oxygen conserving technology recognized for clinically effective pulse-dose oxygen delivery extends the use time of the DeVilbiss iGo Portable Oxygen System, offering a clinically sound and highly efficient ambulatory oxygen system Built-in OSD® (oxygen sensing device) ensures accurate oxygen delivery and reduced periodic maintenance schedule High-performance capabilities, compact design weighing less than 20 lbs with battery Fast battery charge time – 2 to 4.5 hours dependent upon the flow setting Easy-to-read battery life gauge The external iGo Battery Charger is designed to charge batteries separate from the iGo unit (Figure A) Can be easily transported using the Deluxe Carry Bag (Figure C) or Wheeled Cart (Figure B) Optional accessory bag also available (Figure D-F) SPECIFICATION Altitude 0 -13,123 feet (0 - 4,000 meters) Tested @ ~933 hPa Battery Warranty 1 Year Limited Max. Recommended Continuous Flow 3 LPM Operating Temperature 41°F to 104°F (5°C to 40°C) Oxygen Concentration 91% ± 3% For All Flow Settings PulseDose® Settings 1 to 6 Sound Level 40 dBA Unit Dimensions 15" (W) x 11" (L) x 8" (H) Weight with battery 19 lbs (8.6 kg) Weight without battery 15.5 lbs (7.0 kg) iGo® Warranty 3 Year Limited