Portable Oxygen Concentrator Caire FreeStyle Comfort - The perfect fitOptimal Comfort Let your patients experience the comfort of the body-skimming, curved silhouette design. The FreeStyle Comfort portable oxygen concentrator is lightweight and compact.Smart O2 delivery Unique clinical features including autoSAT, UltraSense, autoDOSE, and myCAIRETM help to ensure your patients will get the oxygen they need, when they need it.Proper O2 Saturation With 5 settings and up to 1050 mL of oxygen per minute, the FreeStyle Comfort serves a wide range of patient needs.  The unit delivers up  to 95% pure oxygen to further ensure proper saturation.Proven Quality Robust design features, including the sieve bed technology and critical components, allow for minimum maintenance and long life. CAIRE offers one of the best warranties available, with a 3-year warranty on the device and sieve beds.SpecificationsFLOW RATE Pulse Dose 1-5 O2 Output Settings: Setting 1–210 mL/min Setting 2–420 mL/min Setting 3–630 mL/min Setting 4–840 mL/min Setting 5–1050 mL/minDIMENSIONS 10.0 x 7.3 x 3.1 in (25.4 x 18.5 x 7.9 cm) 8-cell battery packWEIGHT 5 lbs (2.3 kg) 8-cell battery packSOUND LEVEL 39.9 dB(A) at Setting 2TRIGGER SENSITIVITY >-0.10 cm/H2O (adjustable)BATTERY DURATION 8-cell battery up to 8 hoursPOWER AC Power: 100-240  VAC, 50-60Hz DC Power: 11-18 VDC  (10 max amp) Battery: Lithium Ion