Key Specifications & Features Model: RESmart GII Auto CPAP (E-20A / E-20AJ) Modes: CPAP, Auto CPAP, Titrate Pressure Range: 4 β 20 cmHβO Ramp: 0β60 minutes (configurable) Humidifier: Integrated heated humidifier (capacity ~ 350 mL) Display: 2.4-inch or 3.5-inch color LCD screen (depends on model) Noise Level: < 30 dB Leak / Pressure Compensation: Yes β has auto leak compensation Exhalation Relief: RESlexβ’ technology (helps reduce pressure on exhalation) Data Storage / Reports: SD card support (β₯ 2 GB) Reports available on device screen, plus via BMC PAP Link software (App, PC, Web) Power Supply: 100β240 V AC, 50/60 Hz Dimensions & Weight: Without humidifier: ~170 Γ 196 Γ 118 mm; weight < 1.5 kg With humidifier: ~290 Γ 196 Γ 134 mm; weight ~2.5 kg Tube: 6 ft (β1.83 m) tube length Temperature / Humidity: Operating temp 5β35Β°C; humidity 15β93% non-condensing Warranty: 2 years (depends by distributor) --- Pros & Things to Consider Pros: Automatic pressure adjustment β adapts to your breathing needs each night. Very quiet operation (low dB) β good for shared rooms / partners. Heated humidifier to reduce dryness / nasal irritation. Good data tracking for therapy compliance and to show to your doctor. Auto on/off when mask is put on / removed. Considerations: With humidifier, the machine becomes heavier (~2.5 kg) β less travel-friendly. Some users on forums report that BMCβs algorithm / sensors may under-detect certain events or have issues. > "BMC models have been shown β¦ to underestimate AHIβ Data interface / app might be more basic compared to high-end CPAP brands.