Certification IS013485 /CE /CFDA approved Mode: CPAP, S, T, ST, VGPS Pressure: 4-30 cm H2O Trigger adjustment Cycle adjustment Slope adjustment Noise: ≤ 32 dB(A) Comes with: Mask External Humidifier SD card Trolley For adult patients with hypoventilation syndrome, for two-level non-invasive ventilation in the hospital. The main function: 1. Different treatment schemes can be provided according to patients' needs, from CPAP to S, T, S / T, and VGPS. 2. Adjustable trigger sensitivity. 3. Real-time monitoring and recording of blood oxygen saturation. 4. Prompt function. 5. Record function (SD card). 6. Maximum leak compensation function. 7. Cloud platform management function for wireless uploading data (WIFI module). The key technical parameters: 1. Working mode: CPAP, S, T, ST, VGPS. 2. Ventilation parameters: 2.1 Inspiratory pressure: 4-30 cmH2O (0.5 cmH2O interval) 2.2 Expiratory pressure: 4-30 cmH2O (0.5 cmH2O interval) 2.3 Treatment pressure: 4-20 cmH2O (in CPAP mode, 0.5 cmH2O interval) 2.4 Delayed boost: 0-45 minutes (interval of 5 minutes) 2.5 Breathing frequency: 5-50 times / minute (interval 1 time / minute) 2.6 Breathing ratio: 10-70% (interval of 1%) 2.7 Rise time: 1-5 steps (1 step interval, 1 step rises fastest, 5 steps rises most slowly) 2.8 Inhalation sensitivity: 1-5 steps (1 step interval, 1st step triggers fastest, 5th step 1st step triggers slowest) 2.9 Exhalation sensitivity: 1-5 (1 interval, the 1st trigger is the fastest, 5th and 1st the slowest) 2.10 Tidal volume: 50-1500ml (effective in VGPS mode, interval 50ml) 3. VGPS (capacity guarantee pressure support) mode: 3.1 Maximum IPAP value adjustable range: 4-30 cmH2O 3.2 Adjustable range of minimum IPAP value: 4-30 cmH2O 3.3 EPAP value adjustable range: 4-30 cmH2O 3.4 Target Tidal Volume: 50-1500ml