... Jack,adjustable Stem 5. CE RoHs Water-proof Gold Metal DetectorFeaturesMax.3.5m depth of detection, adopt advanced technique ... the detector.2. Viewmeter and Pointer -Shows the probable type of metal being detected. 3. Volume Indicating -Gives off tune of ... pipelines, cables;5. Archeology, mineral exploration, find underground metal articles.Ask us for Catalogue and pricelist covers all models ...