Specifications:
Pressure: 4 to 20 cm H2O
Ramp: 0 to 45 minutes in 5 minute increments.
Starting pressure 4 cm H2O
Size: 7.5" L x 5.0" W x 3.125" H
With Humidifier 8 3/4" L x 8 1/4" W x 3 3/4" H
Weight: 2.2 pounds
3.7 pounds with humidifier and power supply
Power Supply: 100 to 240 VAC, 12 VDC
Warrantee: 2 years (1 year on humidifier)