... SpecificationsGold Detector 1. Gold, Silver, Copper, P.G, Tin, Aluminum and Jewel 2.Detecting Range: 100-1000m 3.Detecting Depth: 5-50m ... common frequencies are Gold, Silver, Copper, P.G, Tin, Aluminum and Jewel.3.Detecting Range: 100-1000m 4.Detecting Depth: 5-50m ... .Operators Manual Specification: 1.Max Detection: 5-50m 2.Detect Range: 100-1000m 3.Rechargeable Battery: Continuous working 48 hours 4 ...