TF-900 : 1- Exclsive Ground Reject Circuitry helps you get the deepest possible detection of caches and large relics even through mineralized soil that limit other two-box units. 2- All new dual frequency capability gives you the best cache hunting frequency of 12.5 Khz and the Best Pipe and Cable Trace Frequency of 73.5 Khz. 3- Thumb set Push Button, Factory set Nulling, and Autotune Features make this the easiest to use cache and cable locator available. You get smoother operation over changing ground minerals and easier pipe or cable tracing. 4- All Aluminum Construction and tough baked on powder coat finish make this a very rugged unit. 5- Accept No Substitutes , look for the only two-box style cache and cable locator protected by U.S. Patent 4348639 and CND Patent 1140213.
You may take pride in the fact that you Own today what others will attempt to copy tomorrow
* TF-900 has been discontinued sorry