Noise: < 30DB Pressure Range: 4-30 cmH2O Material: Compound Material Type: Breathing Machine Dimensions: 290 * 196 * 134 mm Warranty: 1 Years Assurance Certificate: CE FDA ISO Work Mode: CPAP , S , T , S/T Mask Size: S M L Color: Silver Screen Size: 3.5 inch Accessories: Mask , Humidifier , Carrying Case , Filter , SD Card , Power Cord