Specifications: 1) Power supply: DC 12V 2) 45cm knotted weave tube with connector 3) Cord: 10ft 4) Max. pressure: 250psi 5) With 250psi pressure gauge 6) On / off switch 7) Plugs into 12V DC cigarette lighter socket with 10ft cord 8) Cylinder diameter: 16mm 9) Rated current: 10A Inner packing: Double blister Outer packing: 12pcs/ctn Carton dimensions: 61 x 31 x 24cm