Somni oxygen concentrator, 10L, OT-Elite 10 Oxygen Concentrator, 0-10 lpm, 6-11 PSI Outlet Pressure, Standard DISS Fitting,Digital Flowmeter, Low Oxygen Concentration Alarm, Sound level 50dBa, 25” W x 15”W x 12.5”D, 55 lbs, 1-year warranty,115V AC