This single-motor unit is designed for users who need more "runtime" between motor cycles than the 25L model offers.FeatureSpecificationTank Capacity50 LitersMotor Power550W (Approx. 0.75 HP)LubricationOil-Free (Maintenance-free)Noise Level~55–60 dB (Very quiet)Max Pressure8 Bar (116 PSI)Air Delivery~40 L/minNo-Load Speed1,440 RPM