You can go anywhere with the CZ-21 even 250 feet underwater. The CZ-21 is a go-anywhere, do anything, all-weather, target-ID machine that is leak proof to 250 feet. And its patented electronics make it deep-seeking while it ignores the destabilizing effects of salt water. It is the perfect target ID machine for the versatile treasure hunter who wants to hunt anywhere-underwater, on the beach, in the surf, on dry land and in all kinds of weather. Features: Use in Saltwater or Fresh Water, Submersible up to 250 feet, Dual Frequency Fourier Domain Signal Analysis, Touch-Button., VCO no Motion, Precise Pinpointing, Easy Manual Ground Balance, High Performance in Mineralized Soil, All-Metal Auto-Tune Mode, Large Target Alert / Faint Target Audio Boost, 3-Tone Audio Target ID, Removable Control Housing for Belt Mount, 10.5 Open Concentric Search Coil, Operating Frequency: 5 and 15 kHz.
Kellyco Metal Detectors