Medical oxygen concentrator BES-OC07a

portable

3L Portable Oxygen Concetrator Used in Car,Plane and Home Single packaging: 2.9kg, 34 * 21 * 23cm OPP bag+fixed foam+carton Four units per box: 13kg, 46 * 38.5 * 49cm Additional installation: Five layer corrugated outer box Portable oxygen concentrator, 4-speed timed usage method: After plugging in the power or connecting the battery, press the red button and the machine will start working. The indicator light will light up after 20 minutes, indicating that the machine has been running for 20 minutes. After that, it will automatically shut down; 2. When the SET button is pressed for the first time, the indicator light will light up after 40 minutes, indicating that the machine has been running for 40 minutes and will automatically shut down after the end; 3. Press the SET button twice in a row, and the indicator light will turn on for 60 minutes, indicating that the machine has been running for 60 minutes and will automatically shut down after the end; 4. Press the SET button three times in a row, and the 20/40/60 minute indicator lights up simultaneously, indicating that the machine has been running for 4 hours and will automatically shut down after completion. Attention: When the machine is using an external battery, regardless of the level, the machine will stop working when the battery runs out. The kit comes with a battery that can run for up to 2 hours. It is recommended to buy an extra battery as a backup Battery parameters: Lithium ion battery/32.56Wh/14.8V/2200mAh/can be used for 120 minutes