1.It from vacuum pump and vacuum regulator and vacuum indicator and collection container assembly

and machine box and etc constitute ,the model is the latest portable AC/DC suction unit.

2.It of the design be novel it of shape beauty ,it of the physical volume be small and weight light and the 

noise be small . It is a portable handle knob, it of move convenience ,it of deposite and take up the space 

be small .

3.It adoption double head piston type vacuum punp . Be an attraction equip , It has already defended to

overfill  protection devices ,its maintenance work is easy ,its oneself don't need to be encpurage ,it was

a kind of surgical operation of ideal usage of attraction .

4.Provided with three kinds of electrical sources , AC220V,external DC12V, and internal battery . It of battery

inside the machine continuous usage under the sample condition for more than 1 hour , and can again and again

refresh . it can be conveniently used in many places.

5.The internal battery is charged with constant voltage and limited current while the unit is workig or being  attached to 

AC220V or external DC12V power supply. It has an electricity ample indicator and battery inside the machine can't

normal work of designation.