The components are constructed from durable materials to withstand the rigors of field use

suitable for deep diving

Audio Tones - 2

Portability: Despite its durability

Fisher CZ21-8 Quicksilver Dual-Frequency Scuba Metal Detector - Waterproof Upto 250 feet RC Accessories The components are constructed fromFisher 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