Highlights:Three power supply: 220V/110V, 12V or battery(60min.)
Alarm: Alarm can be heard without breath for 30seconds; alarm when battery is less than 10%
Timing: Record the accumulated working time of compressor. System will remind of the maintain or change of compressor after 15,000-20,000hours of operation
Ambient Temperature: 5-40℃
Relative humidity: <90%
Specifications: Concentration:90%±3%
Instant Flow rate: 0-5L/min(max)
Breath segment control: Sensor to release oxygen when breath
Voltage: 12V , 220V/110V or Battery (60min.)
Battery power: 40A/h
Dimension: 290×188×100(mm)
Net weight: 3.9kg(battery included)