pro, save money,
con, it may work, or may not, and you might just have to suck thumb if you bought a lemon, beside risking your camera warranty,
please try look out for some basic information yourself, which is available all over the net, if you are totally new to the web, that we can understand, but please don't make it a habit as we can see that clearly from your post history.
of course we do like to help members in need, but we do hope more members can go around helping others after they have learnt from the web, or received help from others.