Hi steve Herschbach Sir Hope you are good Sir i want to buy metal detector that can detect upto 15 feet I belong to pakistan  Here the soil is mineralized Some people suggested me GPZ 7000 Some suggested the jeo hunter 3d dual pack (made in turkey) I have also searched the BR Royal Analyzer Basic which is launched recently in 2017  Sir i want the best detector thats why i need your help  Pls suggest me the best detector . Waiting for your reply S