Multifunctional vacuum pumping machine, meals preservation artifact, family product storage artifact, multifunctional compressor. One click start, easy to carry, solid suction, dual-purpose suction and multiple suction heads. Use steps of air extraction: Step:1 put end result and greens in the fresh-keeping bag Step:2 press tight sealing Step:3 set up the relevant suction head Step:4 goal at the air outlet of the fresh-keeping bag and begin it with one button Inflation steps: Step: 1 insert the needle into the vacuum mechanical device Step: 2 insert the ball air gap Step: three one click Start Type: Battery size:22 Material:plastic colour:White Package Contents: 1 x Pumping and charging multi-purpose vacuum machine 2 x Vacuum tip three x Inflatable head three x Food bag 1 x clip Only the above package content, other merchandise are not included. Note: Light reflection and diverse displays can cause the color of the item within the photo somewhat diversified from the genuine thing. The length allowed error is +/- 1-3cm.