Underground Metal Detector is a kind of upgraded detector.

It is with the large detection depth Precise positioning ability with strong
resolution, saving energy and other features.

The max. detection depth is to 3m.
It mains used on the field of detecting Metal Relics, gold and silver treasures underground

Used on archaeology, military mine sweeper, mining department and archaeological research, police criminal investigation, the customs checking airport security checking and so on.

Waterproof  Search coil