Portable Oxygen Concentrator - 1-3 Pulse Settings, 90% Oxygen Concentration ±3%, 4.4 Lb Lightweight Design, 2 Hours Battery Life At 3 Setting, Visual & Audible Alarms

Specifications
Oxygen Concentration: * 1-3 pulse settings; equivalent to continuous flow of 90% oxygen A 3%
Dimensions : 8.6 in. high x 6.1 in. wide x 3.6 in. deep (21.8 cm high x 15.5 cm wide x 9.1 cm deep)
Weight : 4.4 lb (2 kg), 1.8 lb (.8 kg) optional AirBelt
Power : AC Power Supply: 100 a 240 VAC (1.0 amp at 120 VAC)
DC Power Supply: 11-16 VDC (6.0 amps max at 13.5 VDC nominal)
FreeStyle Unit : 28 W nominal at 3 LPM
Battery duration : 3 setting - 2 hours; 2 setting - 2.5 hours; 1 setting - 3.5 hours Optional AirBelt when combined with the Internal battery: 3 setting - 5 hours; 2 setting - 6 hours; 1 setting - 10 hours
Battery recharge time : 3.5 hours; optional AirBelt: 3 hours
Warm-up time : 2 minutes
Battery cycle life : Approximately 300 cycles, then 80% capacity or below
Audible alarms and visual indicators : Start-up a audible and visual (GREEN indicator light); Pulse flow a visual (GREEN light); Battery condition a battery level (GREEN indicator lights); cannula disconnect-audible and visual (RED alarm light); System overdraw a audible and visual (RED warning and alarm lights); High and low pressure a audible and visual (RED alarm light);
Service required: visual (YELLOW alarm light)
Sound : 38 dBA at 1 setting; 41 dBA at 2 setting; 44 dBA at 3 setting
Temperature range : Operational temperature: 41A F to 104A F (5A C to 40A C.) (Operating unit outside of this range can affect performance.)
Storage temperature: -2A F to 140A F (-20A C to 60A C)