Rather satisfied with my purchase, the pump works well, the flow is described in the article when the sun is, I received the package in good condition and very quickly, two days before the date shown! However small problem regarding the battery ... I can not really make a charge and therefore not possible to use it when the sun disappears ... I had chosen this pump precisely to the battery by putting a little more expensive in price ... So I wonder if a cheaper pump and no battery would not have been as profitable ... And for my part my pelvis making 40cm deep, I must find a system for raised pump ... Too bad what is not longer in height or that there is a float with ... But overall it works very well since I have and it is very easy to install!