is a tool that can detect the presence of minerals and metals at a certain distance. This tool is very useful or commonly used by security officers to ensure that everyone who is going to enter a certain area is free of dangerous objects containing metals, also commonly used by archaeologists, to find metal objects underground. This detection device can also be used by mineral hunters such as gold contained in the earth. Can detect underground veins, in rock, in barren land, along the shoreline, rivers in mountainous areas, in deserts, gravel lands, delta mud & amp; lake, deep river etc. There is also an industrial world that uses this tool, for example to find out the underground pia lines, underground cable lines. Buy the latest low-cost models, various brands from suppliers, distributors, dealers, agents, importers and all sellers in Indotrading right now.