Continuous positive airway pressure unit with heated humidifier. Features performance, style, simplicity, and value! Easy patient setup with 4-18 cmH20 pressure range. 0-45 minute ramp feature and manual altitude adjustment. Optional Integrated heated humidifier for relief of dryness and congestion. Compact for easy travel and weighs less than 2 lbs. Includes auto-adjusting 100 volt/240 volt universal power supply. 2 year warranty.