We at Varon know you are facing the trouble of oxygen concentrator, it is a great difficulty to bring the concentrator when travelling for a while. Now we are glad to introduce to you our new series oxygen concentrator: VARON LIGHT SERIES. The weight is as light as 4 pounds only, so it's easy for you to take it on your trip.

VARON 3L/min Portable Oxygen Concentrator VL-1
Specification
Power supply: 110V~220V
Model number: VL-1
Scope of application: It is only used for health preservation and improving the
quality of life, not for medical treatment or life continuation.
Oxygen production method: pressure swing adsorption separation method (PSA
method)
Work rate: 30W
Input voltage: DC12V~16. 8V
Four levels of timing: 40 mins, 60 mins, 80 mins, and 180 mins
Product size: 8.07*5.11*3.75 inch
Product net weight: 3.08 Ibs
Maximum oxygen production flow (equivalent): 3L/min
Oxygen concentration: 32.5%±2.5%
Standard battery pack capacity: 2500mAH/4.8V,the input voltage 16.8V
The longest use time: 2.5h
Package Includes
1*Main machine
1*AC adaptor
1*Use manual
1*Disposable oxygen inhaler
1*External battery
1*Diagonal shoulder bag
1*Warranty card/certificate
1*Car line
Support
--Regularly maintain the appearance of the oxygen concentrator and carefully wipe around the vents. To remove dirt, rub the surface lightly.
--Clean the nasal cannula at least once a week. If it is used daily, it is best to change the nasal cannula every two months. If you don't use it frequently, replace it every three to six months.
--The filter of the oxygen generator can remove dust, dirt, and pollen from the air. Cleaning the filter once a month can extend the service life of the unit.
Click HERE to get VL-1 manual