DZ-1BCM Travel Use 5LPM Battery Portable Oxygen Concentrator

Features:  LED screen with oxygen purity and oxygen flow rate display in real time, cumulative timing. Pulse flow mode, oxygen is released during inhalation and stored during exhalation.It will not only improve the efficiency of oxygen utilization, but also avoid the adverse effects of reverse oxygen inhalation, and making oxygen inhalation more comfortable. Timer function:You can set the time according to your needs. Oxygen purity monitor/oxygen sensor. Comes with a long-time working battery, 110~120 minutes rechargeable battery. 3 power supply modes：it can be used with plug at home, can be used with battery at outdoor,can be used with car inverterplug in car. Specification: Model number Portable Battery Oxygen Concentrator DZ-1BCM Oxygen flow mode Continuous flow mode and Pulse flow mode Oxygen flow rate 1 to 5 setting Oxygen purity 40%-90% adjustable, 93%@1 setting Weight 2.3 kg Noise ≤ 43 dBA at any setting Dimension 165mm x90mm x 235mm charge time is appr