The stylish Gold Digger Metal detector will detect all kinds of metal from iron relics coins and household items to precious metals like silver and gold.ons. Streamlined in appearance with only two operating controls and a mode selection switch the Tracker IV has eliminated the most difficult aspect of metal detector operation: Ground Balancing. With built-in Automatic Ground Trac the Tracker IV balances for mineralization while you detect. The Tracker IV will detect in extreme ground conditions from salt wet beaches to highly mineralized inland sites with no operator adjustments to the circuitry and with no loss of sensitivity. Excellent ground balancing properties for the best results in all kinds of soil Sensitivity meter helps to determine signal strength User controlled sensitivity and discrimination knobs for varying conditions Headphone jack with 1/4" plug can be used with most headphones