Performance Series AC Grease GunLincoln Performance Series Grease Gun 120 V AC performance grese gun can be plugged into the wall. Two speed transmision with variable speed trigger Pump Ratio 40: 1 at 150 psi Max Grease Pressure 6,000 psi Air Pressure Range 40 150 psi Model No. AC2440 Brand Lincoln Voltage 120 V Transmission 2 speed transmission with variable speed trigger Lube Capacity 16 oz. bulk 14. 5 oz. cartridge Grease Flow Indicator Patented Stroke Counter Output Pressure