... -II Deep Searching Metal Detector can detect Gold, Silver,Copper,Lead,Tin and Diamond Key ... depth· Pinpoint six kinds of metal mine: copper, silver, gold, lead, tin and Diamond· Search range: 800 meters ... temperature: -40 C to + 85°CYou can seach Gold(Au), Silver(Ag),Copper(Cu),Lead(Pb),Tin(Sn ... interesting in this machine, please contact with me as below details: Raider-II Gold Detector Gem Detector ...