It is constructed of Copper, Aluminum and Plastic. Includes an accessory kit complete with gun, adjustable jet nozzle, high pressure hose and lance with foam dispenser. With a two-wheel trolley mounted unit with handle and hose reel. Automatic safety valve with pressure shut-off at pump head. -Total Stop System (TSS) for automatic start/stop. Attachable foamer/soap bottle. Equipped with a 3 axial-piston wobble plate pump, long-lasting induction motor, gun-wand. Amazon Prime Eligible.