5L Portable Pulse Oxygen Concentrator for High Altitude Purifier Measurement and alarm range: 10

Measurement and alarm range:  10 ~ 270 mmHg

and the preset time

1* car cigarette lighter (12V/10A)

OEM/ODM    Acceptable

5L Portable Pulse Oxygen Concentrator for High Altitude Purifier Measurement and alarm range: 10Portable Oxygen Concentrator Product Feature 1. Highly efficient 5 Litersmedical oxygen concentration of 90%3%, The battery working time is up to 3 hours, lightweight, mobile, traveling, in the car. This oxygen machine is relatively compact and ideal for everyday use at home, outside, and it is effective in any setting. This o2 concentrator adopts low noise technology, you can also use it in a quiet place like a church without disturbing others. 2.