Specifications: 1) Removable 9.6V / 12V / 18V power supply 2) Ni-Ge battery group (6 batteries) 3) Rubber hose with connector 4) On / off lock-on switch 5) 160psi pressure gauge 6) DC adaptor, 12V / 450mA, 15V / 500mA, 18V / 400mA 7) Power supply: DC 12V 8) 3m cord with one cigarette lighter plug, 1 socle to charge, 3 nozzles 9) Piston diameter: 19mm 10) Pressure max: 160psi 11) Rated current: 12A 12) Time of charge: 7h Outer packing: 12pcs/ctn Carton dimensions: 55 x 29 x 39cm Weight: 18kg