Pulsed metal detector White SurfPI Pro, which is used for underwater search by professional. Fully sealed to a depth of 30 m. Successfully working in sea water and on highly mineralized soil. Metal detector White Surfpi is also well suited for ground search in wet sand. It has a custom sound threshold to achieve the greatest depth of search in …

After a few months of research for the problems of discrimination and “Coil Error” in the Felezjoo PI, I finally find a temporary solution that can make the device more useful. this problem is often encountered when the components used do not match the detailed description given by the developer of FelezJoo. Since the source code is not available, it …