The Garrett Vortex is a series of new multifrequency metal detectors, the VX5, VX7, and VX9. All three share the same hardware and differ only in the features offered through the software and menu options. The VX5 is Multi plus a 13 kHz single frequency option. The VX7 adds a 5 kHz single frequency option plus a Multi-Salt mode for beach detecting. The VX9 adds 9, 18, and 25 kHz single frequency modes. See the chart below for additional model differences. All three models are waterproof and