Fisher CZ-21 Metal Detector with 10.5" Concentric Search Coil & 2 Year Warranty

CZ-21 Quick Silver Premium Underwater Detector Whether it be Dry Land, Saltwater or Fresh Water, the CZ-21 Delivers. Saltwater or Fresh Water Submersible up to 250 feet Dual Frequency Fourier Domain Signal Analysis Touch-Button., V.C.O. 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” Search Coil Operating Frequency: 5 and 15 kHz Fisher Submersible Headphones Included Recommended for: Beach Hunting Shallow Water Lake/Surf Diving CZ-21 Specifications Length Extended: 50” Length Collapsed: 30” Control Housing Weight: 2.8 lbs Weight Complete (with headset):  10.5” Coil 5 lb 11 oz  Handle and Search Coil:  Frequency 1. Dual, VLF Search 5 KHz and 15 KHz 2. Audio Target Response Iron I.D.: 200 Hz (Low tone) Foil and Tab I.D.: 450 Hz (Mid tone) Coin I.D.: 1 KHz (High tone) Autotune: 500 Hz - 1 KHz (VCO) Pi