Features: 4.0cfm at 90psi for multiple operations Direct drive electric motor provides durability and long life Line regulator with gauge for immediate use at worksite O-ring on drain-cock makes valve easy to open and close Vertically stacked twin tanks, 2 gallon capacity each for running multiple nailers All metal inner construction and fan to withstand rugged use Oil lubricated pump improves efficiency and ensures smooth use Includes: Synthetic Oil SaE5W50 8oz Oil Dipstick Hitachi EC12 SpecificationsPower Output2 HPAMPS14.5RPM3,450Air Displacement4.0 cfm@90psiStart/Stop Control100/125psiTank Capacity4.0 gal.Weight60 lbs.font>LubricationOilRecovery Time14-seconds