All Level ventilators available. CE, FDA and ISO approved. 1. Scope of application: For adult patients with ARDS, hypoventilation syndrome, for bi-level non-invasive ventilation in hospital or at home. 2. The main function: 1. Different treatment options can be provided according to patients' needs, from CPAP to S, T, S / T, VGPS five modes. 2. With real-time monitoring 8 kinds of respiratory parameters. 3. With independent medical grade humidifier, better humidification and heating. 4. With oxygen cylinder slot easy to move the cylinder with trolley. 5. Recording function (SD card). 6. Maximum leak compensation function. 60L/min. 7. Adjustable trigger sensitivity. 8. With full face mask. 9. With trolley, easy to move the device. 10. Alarm function.