Best thing I have ever brought for the pool. It’s never been cleaner and easier to take care of. We used to spend hundreds if not 1-2 thousand in chemicals and broken pool cleaning bits and still not have an unusable pool each year.   Now it’s always clear and usable, and we don’t add anything but 1-2 bags of salt. This summer has been the best ever pool wise. I don’t often come across a product that does what it promises but this one certainly has.   Do you need the cordless version, perhaps not, but not having to put away all the wet cable each time is great, and saves some space in the garage. If you prefer to leave it in the pool then the cable version is for you.   Combine this with a solar powered pool pump to circulate the water and your pool costs almost nothing to run. If you’re getting a new pool I would look at this and either a solar powered pump or a much smaller pump to circulate the water. Don’t get a powerful and costly to run pump when you don’t need it.