... can detect Gold, Silver,Copper,Lead,Tin and Diamond Key Specifications/Special Features:· Application: mineral lode searching, field exploration, archaeological research ... and depth· Pinpoint six kinds of metal mine: copper, silver, gold, lead, tin and Diamond· Search range: 800 meters (radius)· ... Storage temperature: -40 C to + 85°CYou can seach Gold(Au), Silver(Ag),Copper(Cu),Lead(Pb),Tin(Sn) and ...