Oil free design for less maintenance and no oil leaks. Direct drive pump and induction motor for efficient operation. Weighs 38 lbs., easy hand carry use. Twin stack tanks. Draws only 8 amps, wont trip circuit breakers. Cold start valve allows easy start up in cold climates. Includes: 1/4 quick disconnect coupler, regulator, tank and outlet pressure gauges. Pump up time 82 seconds, recovery time 17 seconds, max psi 135, tank size 2 1/2 gallons, 1 1/2 hp peak, 1 hp running. CSA approved.