GS6000 Underground Metal Detector is a kind of upgraded detector.It is with the large detection depth,precise positioning,strong resolution,saving energy and other features.The max. detection depth is to 8.5m. It mains used on the field of detecting the Metal Relics,gold and silver treasures underground;used on the archaeology,military mine sweeper,mining department and archaeological research;the police criminal investigation,the customs checking,the airport security checking and so on.