Key Features & Specs Model: G2S A20 (Auto CPAP) Modes: CPAP, Auto CPAP Pressure Range: 4βββ20 cm HβO Humidifier: Integrated heated humidifier Display: 2.4-inch color LCD screen Controls: 3-button control panel for simple operation Ramp: 0β20 min (automatic ramp) Noise Level: ~ 26 dB Leak & Altitude Compensation: Yes β supports automatic leak compensation and altitude compensation for accurate therapy. Data Storage / Reports: Uses SD card; supports data management via PAP Link App, PC, or web. Power Supply: 100β240 V AC, 50/60 Hz Dimensions: ~ 274 Γ 184 Γ 115 mm Weight: ~ 1.9 kg (some sources say 1.2 kg for a variant) Water Chamber Capacity: ~ 360 mL Operating Temp/Humidity: 5β35 Β°C; 15β93% non-condensing Tube Length: 6 ft (β 1.8 m) Further Features: Automatic on/off when you put on/remove the mask Reslex feature (exhalation pressure relief) Multiple report access (device screen, PC, app) --- Pros & Considerations Pros: Quiet operation (very low noise) β good for home use. Integrated humidifier β more compact than machines with separate humidifier. User-friendly (screen + simple buttons) β easier to operate. Automatic adjustments β adapts to changes in your airway during sleep. Good data reporting / management β helpful for therapy tracking. Considerations / Potential Drawbacks: Heavier than very travel-specific CPAP machines (1.9 kg is not super light). Integrated humidifier means youβll need to refill/clean the water chamber regularly. As with any CPAP, proper fitting of mask and leak management are important for effectiveness. --- Use Case Well-suited for home therapy of obstructive sleep apnea (OSA). Good for users who want an auto-adjusting CPAP with comfort features (humidifier, auto ramp). Useful for users who want data tracking (via SD card + app / PC).