I hope you know this device
 

I hope you know this device in the picture. It is said that it is a French manufacture that is used to detect water and gold long-range. What is its name or the company that manufactured it?[SIZE="<font style="vertical-align: inherit;"><font style="vertical-align: inherit;">6</font></font>"][/SIZE]


https://mrkzgulfup.com/uploads/162695099678021.jpeg