











Cache Finder Metal Detector - Perfect for Treasure Hunting
Order in the next cut-off soon
Arrives by Aug 5–10 · Ships from our Richmond, TX warehouse
Free US shippingSame-day processing before 2 PM CST · Tracking included
Detector Hero Promise
-
Authorized Fisher Dealer
We're an authorized dealer for the brands we carry — every warranty is valid, every serial is legit, no grey-market imports.
-
Manufacturer Warranty
Every product ships with the manufacturer's factory warranty. Register your serial number with the brand on delivery to activate coverage.
-
Genuine Products
All inventory is sourced directly from authorized distributors. Every unit is factory-new — no refurbished or reboxed items.
-
Expert Support
Our team detects too. Call (832) 464-5813 for practical field advice from real hunters — not scripted answers.
Contact us -
30-Day Free Returns
Return unused products within 30 days. We cover the return shipping — no restocking fee, no questions asked. Damaged in transit? We ship a replacement free — no return required.
Read our full refund policy -
Secure Checkout
We don't store or see your card details. Payments run through Shopify Payments over SSL — your card info never touches our servers.
Read our privacy policy
Pairs well with

Cache Finder Metal Detector - Perfect for Treasure Hunting
Best for
Coin
Gold
Relic
Beach
Beginner
Intermediate
Advanced
The Fisher Gemini 3 Cache Finder is a specialized metal detector designed to locate deeply buried, large metallic objects such as caches, relics, and hoards. Using advanced inductive search technology, it can detect targets at depths far beyond standard detectors, making it ideal for serious treasure hunters.
With both Search and Trace modes, the Gemini 3 allows you not only to locate targets but also to pinpoint their direction and center with greater accuracy.
Key Features
Deep-Seeking Inductive Technology
Designed to locate large objects buried at significant depths.
Search Mode
Helps detect the presence of deep targets over wide areas.
Trace Mode
Assists in determining the exact direction and location of targets.
Dual-Operator Capability
Can be used by one or two users for improved accuracy and control.
Lightweight & Portable Design
Easy to carry and operate in the field.
Simple Controls
User-friendly interface for quick setup and operation.
Why It Matters
Standard metal detectors are limited in depth and target size. The Gemini 3 is built specifically for detecting large, deeply buried objects, making it a powerful tool for serious treasure hunting and cache locating.
Best For
- Cache hunting and buried treasure
- Deep target detection
- Large metal object locating
- Open field and rural detecting
- Advanced and professional users
No specifications available for this product yet.
Free Shipping on all orders over $99.
Standard shipping: 3-7 business days.
Express shipping: 1-3 business days.
Returns: 30-day hassle-free returns. Items must be unused and in original packaging.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
What Our Customers Say
Real reviews from real treasure hunters who trust Detector Hero for their gear.
15+ Years of Expertise
In metal detecting
Manufacturer Warranty
On every detector
30-Day Returns
Easy & hassle-free
US-Based Support
Real humans, real help
Based on 3 verified reviews