Lorenz metal detectors find gold and silver treasures 25 to 40 feet deep lorenz x5 and x6 professional series detectors are used to detect single coins, buried caches, and hidden gold and silver treasures at incredible depths. Lorenz deep searching metal detectors are easy to use. After setting a few controls to the factory recommended settings you then simply press the ground balance button with the search coil in the air. After proper ground balance is achieved you set the threshold level and start scanning*. Lorenz x series detectors ignores practically all types of ground minerals. Both lorenz pulse induction detectors are capable of detecting coins, gold, silver, brass, bronze and larger targets to extreme depths. Lorenz (deep) metal detectors are pulse intermittent transmission types. This deepmax signal is amplified and conditioned to drive the detection signal deep into all soils! A highly accurate conductivity meter reading system helps identify the type of metal found. With lorenz, deep treasure can now be found beyond the depths of standard metal detectors! Deepmax x6 also comes with a built-in 3d data logger and additional gps module with usb storage media for the ultimate treasure hunting package! * see instruction manual for additional details on operation.