... of ground balance. MD-5008 GROUND SEARCHING METAL DETECTOR Function:MD-5008 metal detectors, 3-3.5m depth of detection, ... orientation, strong resolution and easy operation. Application:The metal detectors are mainly used to detect and identify underground metals. ... pipelines, cables;(5) Archeology, mineral exploration, find underground metal articles. Component:(1) Attach external battery box and bag( ...