Double-tank air compressor. Tank capacity of 4 gallons. 13 Amp Direct Drive Induction Motor for efficient and reliable performance. With Cast Iron, Oil Lubricated Pump for cooler operation and greater longevity. Manual Reset Thermal Overload Protection stops the motor in case of overheating. Locking Regulator ensures the proper pressure is delivered to your tool. 105 On/135 Off Pressure Switch for less cycling. Quick Coupler for fast tool changes. Lightweight for easy job site transport. Ball Valve Drain Cock for quick and easy tank draining.