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Logo of Groundtech Detectors with a red symbol and white text.
GR-3 3D Sensor METAL DETECTOR
Explore With Precision,
Uncover Deeper Treasure
Powerful Next-Gen Sensors
Accurately detect deep targets up to 20m.
Lightweight & Discreet Design
Operate easily and stealthily in any environment.
Real Time 3D Visualization
The only metal detector with an app that provides accurate, real-time 3D visualization.
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Metal detector device with two smartphones displaying detection readouts and various artifacts in the background.Handheld metal detector with two smartphones displaying detection data screens, surrounded by coins and artifacts.
Three smartphones displaying colorful 3D graphs with depth, filters, and options settings in the apps.
Three smartphones displaying colorful 3D graphs with depth, filters, and options settings in the apps.

Powerful Next-Gen Sensors

Accurately detect deep targets up to 20m.



GR3+'s advanced sensors outperform competitors, reaching depths others can't.



This ensures you never miss valuable finds hidden below.


Explore confidently, knowing you have cutting-edge technology in hand.

Operate easily and stealthily in any environment.


The GR3+'s compact design makes it ideal for long hunts.


It's easy to carry, maneuver, and use, even in rugged terrain.


Stay under the radar while detecting in public or private spaces.

The only metal detector with an app that provides accurate, real-time 3D visualization.

Easily control the GR3+ with your smartphone.


Visualize underground metals as you search, offering unmatched precision.


See what lies beneath before digging, saving time and effort.

This technology makes the GR3+ superior in both accuracy and efficiency.

Built to withstand tough outdoor conditions.


Take it anywhere, from deserts to forests.


Reliability you can trust in any terrain.

Instantly identify targets with precision.
No more wasted time on false signals.
Efficiently focus on valuable finds only.

Perfect for beginners and seasoned hunters alike.
User-friendly design ensures a smooth learning curve.
Unlock professional-level results with minimal effort.

How It Works

Power Up


Turn on the GR3+ detector.

Connect to App


Sync with the mobile app.

Scan the Ground


Sweep to detect targets.

View in 3D


Analyze real-time 3D results.

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How It Works

Power Up


Turn on the GR3+ detector.

Connect to App


Sync with the mobile app.

A red and white logo featuring a cane with sound waves radiating from it.

Scan the Ground


Sweep to detect targets.

A hand holding a smartphone with a QR code scanner app.

View in 3D


Analyze real-time 3D results.

Close-up of the GR-3 3D ground scanner handle with branded text and emblem.
choose model
Man using a surveying tool and a tablet, surrounded by digital grid graphics.A person using a surveying device and tablet, with digital landscape graphics in the background.
A person holds a packaged GR-3 Plus 3D Ground Scanner in a wooded area.A man squats in a forest, holding a GR-3 Plus 3D Ground Scanner package.
Which Model is
Right for You?
A black metal pipe with a bend and flared opening at the top.
Black, handheld, electronic device with a small screen on the top end.
GR3 Single
Reliable detection for beginner treasure hunters.
GR3 Dual
Advanced features for professional-level discoveries.
DETECTION DEPTH
Up to 7 meters
Up to 15 meters
3d visualization
Basic 3D scanning
Real-time, detailed 3D scans
app integration
Standard controls
Advanced Sensitive controls
Sensors
Single
Dual

USE It for 30 Days 100% Risk-Free

30 Day

Money-Back Guarantee

14 Day Money-Back Guarantee

Experience the GR3+ difference.

  • A black handheld metal detector with a digital display on the handle.
  • Two black baton-like electronic devices with digital displays.
  • Two smartphones displaying a calibration tool and a heatmap.
  • A man in casual clothing using a phone against a green screen background.
  • A man in outdoor gear uses a tablet and a pole in a wooded area.
  • A person assembling a device in a forested area with a box labeled GR3 Pro.
  • A man in a forest holding a metal detector and its bag.
  • A black handheld metal detector with a digital display on the handle.
  • Two black baton-like electronic devices with digital displays.
  • Two black baton-like electronic devices with digital displays.
  • Two smartphones displaying a calibration tool and a heatmap.
  • A man in casual clothing using a phone against a green screen background.
  • A man in outdoor gear uses a tablet and a pole in a wooded area.
  • A person assembling a device in a forested area with a box labeled GR3 Pro.
  • A man in a forest holding a metal detector and its bag.

Get Started with the GR-3

Trusted By 1,497+ Customers

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$1,600.00

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Handheld Metal Detector Pinpointing GP-Pointer Metal Gold Detector Tester High Precision Metal Detector (Orange or Black)

Fast 3-5 Day USA Delivery

FREE USA Shipping

What’s in the Box:

Rechargeable baton with charger, plug adapter, USB-C cable, and carrying case.

GR3 Detector Unit

Compact and lightweight for easy transport.

Frequently Asked Questions.

How deep can the GR3 detect underground?

The GR3 can detect targets up to 10 meters deep while the GR3 Dual can detect targets up to 20 meters, making it ideal for finding a wide range of buried objects.

30 Day Money-Back Guarantee
Try it risk free
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30-DAY MONEY BACK GUARANTEE
Two black electric scooter handles with LED indicators and control buttons.Two black electric scooter handlebars with control buttons and LED indicators.

Detector Online Training

With your new detector, you will receive a Quick Start Guide, a valuable resource designed to guide you through the essential steps of operating your new device seamlessly. This user-friendly guide is tailored to ensure that even beginners can quickly grasp the fundamental functions and features.

For those seeking a more profound understanding, a comprehensive manual accompanies your purchase. This detailed manual delves into the intricacies of your detector, providing a wealth of information for users eager to explore advanced settings and capabilities.

However, the pinnacle of expertise in harnessing your detector's full potential lies in professional training. While guides and manuals offer a solid foundation, professional training takes your knowledge to the next level. Through hands-on instruction and insights from seasoned experts, you'll gain a deeper understanding of your detector's nuances and unlock its optimal performance.

During the individual training, our detector Expert addresses your wishes and questions, provides you tips and tricks and helps you to improve your chances of success with your detector.

  • Theoretical introduction
  • Overview of the functionality and operating modes of your detector
  • Using the detector on the test field
  • Tips and tricks for advanced users
  • Improving your measurement procedure
  • Evaluation of the scans on the detector display
  • Answers to your questions

In addition to a general introduction to the functionality and operating modes of your detector, the detector Expert explains how to use the detector efficiently in the field. In doing so, he can correct small errors during the measurement and advise you on special features of your search projects.

You will learn how to check your measurements and further improve your scanning technique independently. You can also draw initial conclusions about potential target objects in the underground.

  • Service & Support: for entry-level, experienced and professional detectorists
  • Schedule: After you add the paid training, we will contact you to schedule your training with our expert.

Trainings are charged per hour! Additional costs may apply for training sessions. For special requests please contact us at info@detectorpower.com