... , Long range treasure hunting detector 2, Deep ground search gold metal detector 3, Deep treasure hunting detector SpecificationsGold Detector 1. Gold, Silver, Copper, ... 3.Detecting Depth: 5-50m EPX7500 Long Range King Gold DetectorEPX7500 is the newest upgraded version of long range ... a receiver and the transmitter.2.Most common frequencies are Gold, Silver, Copper, P.G, Tin, Aluminum and Jewel ...