Minelab Eureka Gold Metal Detector with Exclusive Accessory Package Pinpointer Backpack Hat VLF technology gives you an easy switch on and go detector featuring Minelabs exclusive triple frequency technology simply switch between frequencies of 6.4, 20 and 60kHz to target different depths. ACCU-TRAK digital ground balance with two speed options for increased depth. Iron rejection in each frequency. Variable ferrous discrimination control gives you the ultimate in iron rejection. Minelabs 10 Double D easysweep elliptical coil system for wider ground coverage.