The new Transcend Heated Humidifier fits nicely with each of the Transcend model CPAPs. Added comfort and warm humidification help make this humidifier a great asset to any Transcend CPAP user.Product Features:Adjustable heat settingsWarm up indicator Dishwasher-safe reservoir Compatible with any maskSpecifications: Dimensions: 9 in x 5.5 in x 4.7 in Weight: 2.2 lbs empty; 3.1 lbs with water to max fill linePower Supply Input Range: 100-240V, 50-60HzWater Reservoir Capacity: 325 mLWorking Pressure Range: 4 to 20 cmH20Heater Settings: 1 to 5Humidifier performance (RH%) below:          RH output %       Nominal system output (mg/L) Setting 3     Setting 5           Setting 1Setting 54 cmH2O   >90        >95              122112 cmH2O     70        >75              141420 cmH2O     60        >65              1015 Max Heater Plate Temperature: 131°FOperating Temperature: 41-95°FOperating Humidity Range: 10-80% RHOperating Altitue Range: 0-8000 feetEMC Operation: ContinuousStandards Compliance: EN 60601-1: Class II; Type BF; IP22 IEC 60601-1-2 EMC compatibility