Open Box - Fisher CZ-21 Metal Detector with 10.5" Concentric Search Coil minelab-excalibur-ii RF transmission power +4 dBm

RF transmission power +4 dBm

width: 100%

none have gone much beyond generating basic beeps and IDs for targets

Garett MasterSound 2 Headphones

Open Box - Fisher CZ-21 Metal Detector with 10.5" Concentric Search Coil minelab-excalibur-ii RF transmission power +4 dBmOpen Box Fisher CZ 21 Metal Detector with 10. 5" Concentric Search Coil 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