The waterer was easy to assemble and our cats seemed to take to it immediately. Instructions were clear (and in English). It is built out of pretty heavy plastic, so it should be pretty durable. The pump is the same as you see in all the tabletop fountains, so replacement ought to be easy when it eventually fails. The wiring is done in a way that prevents leaks.

Overall we were pleasantly surprised- we were expecting a much more cheaply built