Noise: < 30DB Pressure Range: 4-20 cmH2O Material: Compound Material Work Mode: CPAP Type: CPAP Machine Package Dimensions: 313 * 194 * 112 mm Warranty: 1 Years Assurance Validity: 5-10 Years Function: Anti Snoring Machine Color: White Certificate : CE FDA ISO Mask Size: S / M / L Accessories: Humidifier, Mask, Tubing, SD Card, Carrying Bag, Filter