This is a novel machine with a working oressure of 8bar and a long handebar for easy movement ,the appearance of the machine is black,which is wwell received in europe,thepressure switch is accurate .the crankcase is made of standard aluminnum,and the prssure tank is made of standard thickness.the motor is made of copper wire ,the rotor of the motoris testd for dynamic balance,and the whole machine is strictly checked before leaving the factory.color packaging box generous,seven layers of carton with foam.thanks