Fisher Labs F75+ Multi-Purpose Metal Detector OKM Invenio is designed as a

Invenio is designed as a platform that can be advanced and is intended to be integrated with all hobby detectors (coin and relic) as well as gold nugget detectors in the future

Modern Practical Design

A great benefit for competition hunts and for hunt sites filled with metallic trash that might otherwise mask good targets

and processing all extracted subsurface data

Fisher Labs F75+ Multi-Purpose Metal Detector OKM Invenio is designed as aFisher Labs F75+ Multi Purpose Metal Detector Fisher F75+ Advanced Visual & Audio Target ID Metal Detector The Ultimate Detector! The metal detecting industry's premier relic hunting and general purpose metal detector. New Leading Edge Technology! New features make the F75+ more versatile with greater depth, better target separation and audio features that will open up your iron infested sites! Ability to activate and deactivate DST Mode (Digital