Discovery TF-900 2 Box Detector

Since 1981 Discovery Electronics has manufactures this unique style patented locator for detecting large deeply buried objects. Patterned after the deep searching two box type system, the Treasure-Finder 900 Automatic VLF unit is the only one of the kind capable of maximum depths while ignoring the effects of ground minerals. Add to this a high frequency pipe and cable tracing attachment and you have a very versatile detection system. This unit can be used to locate large treasure caches, gold or silver bullion, large relics, septic tanks, old wells or tunnels, valve caps, manhole covers, and large mineral deposits such as black sand.

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.

TF-900 Features are:

* LED for battery check , * Handle-mounted push button for easy thumb-set control, * Ground reject VLF circuitry and ground reject control, * Factory reset electronic null circuitry, * Mode and battery check switch, * Tone adjustment control, * Built-in speaker and 1/4 inch headphone jack, * Snap-together all aluminum construction, * Two automatic tuning/pinpointing modes, * Durable baked-on powder coat finish, * Batteries: 6 cell AA size or you can also use a sing 9 v battery, * 20 to 40 hour battery life, * Weights only 6 pounds, * Dual frequency operating modes, * 12.5 Khz when used as cache locator. 73.5 Khz when used for cave mode, * US Patents: 4348639 and CND 1140213, * One year warranty.

Fisher Gemini 3 Two Box Metal Detector

Fishers two box has a reputation for being the best. Goes deeper, & traces farther!

Two box treasure hunters know that Fisher's Gemini-3 has a reputation for being the best there is. Designed to locate deep objects; depending on ground mineralization and target size objects may be detected as deep as 20 feet! The Gemini-3 goes deeper, traces farther and is easier to use than any other cache finder in its class.

The Gemini-3 Features:
• Detects all metals: Sensitive to large, deep objects or ore veins.
• Crystal controlled: 82 KHz transmitter and receiver.
• Four mode operation: Inductive Trace, Conductive Trace, Wide Scan Inductive
• Trace and Narrow Scan Inductive Trace.

• Optional Ground Plate Assembly for long distance underground tracing
• 60 cycle noise reduction circuitry
• VCO audio target response for precision pinpointing.
• Operates on standard AA batteries

Garrett Treasure Hound Depth Multiplier with EagleEye™ Pinpointing
The ultimate deepseeking accessory - made exclusively for the Garrett GTI 2500.

Search for larger, deeper targets

A depth multiplier is a specialized searchcoil designed to detect large and deeply buried targets, such as money caches, relics, safes and ore veins. Unlike a regular searchcoil, the transmitter and receiver portions of the depth multiplier are spilt into two compartments, thereby widening and deepening the detection field so that more information about a detected target can be retrieved and processed. Because it ignores small pieces of junk metal, the depth multiplier is especially useful in areas with a lot of trash.