suitable for deep diving

increasing efficiency in the field

By providing clear and accurate audio feedback

especially when used in wet or muddy environments

Perfect for locating gold in mineralized soil

Fisher CZ21-8 Quicksilver Dual-Frequency Scuba Metal Detector - Waterproof Upto 250 feet RC Accessories suitable for deep divingFisher CZ 21 Professional Submersible Metal Detector The Fisher CZ 21 is a fully submersible, dual frequency metal detector designed for professionals who require absolute reliability beneath the surface. Engineered for underwater exploration, saltwater environments, and demanding shoreline conditions, the CZ 21 offers a distinguished blend of depth, stability, and elegant simplicity. With its proven dual frequency design, rugged marine grade