Fisher CZ-21 Quick Silver Dual-Frequency Underwater Metal Detector with 10-inch Coil Size_17.5" x 14" ensuring durability while maintaining a

ensuring durability while maintaining a lightweight structure for ease of use during long detecting sessions

Impedance: 100 ohms

Standard Mode (ideal for hunting relics

Operating Principle: Pulse Induction

Impedance: The headphones have an impedance of 32 ohms

Fisher CZ-21 Quick Silver Dual-Frequency Underwater Metal Detector with 10-inch Coil Size_17.5" x 14" ensuring durability while maintaining aFisher 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