The pumping capacity and the operation of the pump are good, because there is nothing wrong.
However, the supplied 3 towers are hard to use. There is no way to anchor it firmly in the pump tubing, ie a little more back-pressure of top jumping regularly from the tubing.
Even holding the tradition not very good in the valve of the object that one wants to inflate. So it was to inflate a real challenge for me is a big air mattress because constantly jumped out on one side or the other of the top ...
In addition, the three supplied essays cover not really from a good range of valves, so that it does not always work to inflate the desired item with the essays.
