Quiet operation 68 db A. Light weighs only 21 lbs. Induction motor - efficient, long life operation. Oil free pump design - maintenance free. Integrated control panel - easy access to couplers and pressure control knob, highly visible gauges. Rugged roll cage protects critical components. Pump up time 125 seconds, recovery time 30 seconds, max psi 135, tank size 1 gallon, 1/2 hp running.