The pump was to my liking. In ten seconds, I went from two atmospheres to two and a quarter atmospheres. It works quite well. You are able to set parameters, and it will automatically cease. There are three supplementary attachments available. There is sufficient wiring coming from the cigarette lighter to connect all four wheels of an automobile that is 5 meters long. Convenient metal storage box. One of the drawbacks stands out to me in particular: when I initially opened it, it smelled like cheap plastic made in China. But then it starts to die out. Both the enclosure and the pump itself are made of metal.