Gold Detector and Absolute Favorite for Treasure Hunting OKM Rover C4

Treasure hunters' favorite Ground Scanner Rover C4
Ground Scanner Rover C4 delivery scope
Ground Scanner Rover C4
Ground Scanner Rover C4 performing scan
Ground Scanner Rover C4 performing scan
Ground Scanner Rover C4 with headphones
Ground Scanning with Detector Rover C4
Treasure hunters' favorite Ground Scanner Rover C4
Ground Scanner Rover C4 delivery scope
Ground Scanner Rover C4
Ground Scanner Rover C4 performing scan
Ground Scanner Rover C4 performing scan
Ground Scanner Rover C4 with headphones
Ground Scanning with Detector Rover C4
  • Bestseller: 3D ground scanner and metal detector
  • Detection depth: With this technology customers found objects down to 25 m (82 ft) deep
  • Use cases: Treasure hunting, archaeology, natural gold prospection
  • Operating modes: 3D Ground Scan, Pinpointer, Magnetometer, Mineral Scan
  • Detectable objects: Natural gold minerals, treasure chests, jewelry, militaria
EUR 9.990,00

plus VAT, shipping and fees

+49 3447 4993000

Mon - Fri 9 am - 5 pm

Languages: Deutsch (DE), English (EN), Français (FR)

Further Contact Options »

OKM Rover C4 with Standard Probe


Experience more balanced detector design, improved multilevel lighting and simplified wireless data transfer - for your convenient and efficient treasure hunt.


Intuitive control via touchscreen and hardware buttons facilitate the use of the compact detector. Individual settings such as Language and Brightness further improve the easy handling.

OKM Rover C4 in Magnetometer mode


The treasure hunters' favorite OKM detector Rover C4 supports the Operating Modes Magnetometer, 3D Ground Scan, Pinpointer and Mineral Scan. This provides all necessary steps for a comprehensive exploration of the subsurface.


Both the easy-to-use Standard Probe and the high-resolution Super Sensor are equipped with the innovative LED Orbit. This exclusive feature indicates target objects such as ferromagnetic metal objects as well as voids in real-time by different colors.

OKM Rover C4 Operating Modes
OKM Rover C4 exclusive LED Orbit


Visualizer 3D Studio displays your Pinpointer scans in real-time and ground measurements in 3D. This allows you to determine the size, position and depth of target objects more precisely before excavation.

  • 24
  • 23
  • 22
  • 21
  • 20
  • 19
  • 18
  • 17
  • 16
  • 15
  • 14
  • 13
  • 12
  • 11
  • 10
  • 9
  • 8
  • 7
  • 6
  • 5
  • 4
  • 3
  • 2
  • 1
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4
OKM Rover C4

3D Visualization

3D Ground Scan

Interchangeable Probes

LED Orbit

Mineral Scan


LED Lighting

Multilingual Operation

Internal Memory

Color Display / Touchscreen

Rechargeable High-Capacity Battery


Wireless Technology

The ground scanner Rover C4 is an easy-to-use multi-purpose treasure and void detector. The detector supports treasure hunters and archaeologists in finding lost treasures such as coins, rings and jewelry as well as underground structures like tunnels, caves, chambers and graves. The measured data can be viewed and analyzed via Visualizer 3D Software.

Detector Rover C4

Benefits and Features of Rover C4

  • Operational touchscreen with alternative hardware buttons
  • Graphical user interface in many different languages
  • Improved multilevel LED lighting for detector usage in darkness
  • Exchangeable probes: Standard Probe and Super Sensor
  • Immediate basic target discrimination thanks to LED Orbit
  • Supported operating modes: 3D Ground Scan, Pinpointer, Mineral Scan, Magnetometer
  • Integrated battery
  • Simplified wireless data transfer
  • 4 separate memory areas to store measuring data
  • Including detection software Visualizer 3D Studio Standard Edition
Rover C4 Quick Tutorial Transfer Scan Files
October 11, 2022

Rover C4 Quick Tutorial Transfer Scan Files

After performing your scans, transfer them to the Windows notebook via Bluetooth for further analysis.

Rover C4 Features
October 06, 2022

Rover C4 Features

In this video we want you to catch a glimpse of our redesigned Rover C4.

Behind the Scenes: Making of OKM Tutorials
August 02, 2022

Behind the Scenes: Making of OKM Tutorials

The video shoot for the current Rover C4 tutorials took place in a former gravel pit: Perfect to test the ...

Detector Rover C4 controlled via touchscreen

Simple Operation via Touchscreen

The Rover C4 is controlled via color touchscreen with multilingual user interface. This allows a fast and easy operation and configuration of the metal detector. The detector can also be operated by using the alternative buttons.

Detector Rover C4 controlled via hardware buttons

After selecting your preferred language, it will be indicated in the toolbar icon with the 2-letter-code according to ISO-639-1. The Rover C4 allows detector users to choose from the following languages:

  • عربي (AR)
  • Deutsch (DE)
  • Ελληνικά (EL)
  • English (EN)
  • Español (ES)
  • فارسی (FA)
  • Français (FR)
  • Italiano (IT)
  • Русский (RU)
  • Türkçe (TR)
  • 中文 (ZH)
Detector Rover C4

LED Lighting

The embedded LEDs in the bottom side of the Control Unit are gradually adjustable based on your environment. This can be particularly useful when scanning in narrow and dark tunnels or at night.

Detector with 2 probes

Exchangeable Probes

After connecting the desired probe to the Rover C4 Control Unit, the detector is ready to scan.

The Standard Probe can be used for the operating modes 3D Ground Scan and Magnetometer. It is attached directly to the unit and thus very easy to carry.

The Super Sensor is used for all operating modes including Mineral Scan and Pinpointer. Moreover, it provides 3D ground scan images in higher resolution. It is connected via cable and carried separately.

Rover C4 LED Orbit gives direct feedback

Immediate Feedback via LED Orbit

The Super Sensor and Standard Probe are equipped with an innovative LED Orbit that indicates underground targets immediately during the scan. This basic target discrimination visualizes detected metals and voids in different colors.

Rover C4 LED Orbit gives direct feedback

Treasure Detector Operating Modes

One of the most versatile operating modes in our 3D metal detectors is 3D Ground Scan. This function is used to scan a rectangular area to obtain measuring data from underground structures and objects.

However, in order to perform extensive ground measurements and achieve the maximum detection performance, we recommend using the operating modes Magnetometer, 3D Ground Scan and Pinpointer in succession as follows. The Mineral Scan mode is a Rover C4 add-on for gold prospectors.

Detector Rover C4 operating mode Magnetometer


Use Magnetometer to clear the scan field of small metal items like nails, cans, screws and wires near the surface.

Detector Rover C4 operating mode 33D Ground Scan

3D Ground Scan

3D Ground Scan provides a graphical measurement of any area for further analysis in the detection software Visualizer 3D Studio.

Detector Rover C4 operating mode Pinpointer


With Pinpointer detectorists locate buried coins, rings, jewelry and similar treasure objects and artifacts more precisely.

Detector Rover C4 operating mode Mineral Scan

Mineral Scan

Mineral Scan is used to locate natural gold deposits.

Rover C4 LED Orbit detects metal items

The fewer metal items near the surface, the better your 3D Ground Scan results. After clearing your scan field with Magnetometer, you can also find larger metal targets which are located deeper underground. Analyze your 3D Ground Scan images in Visualizer 3D Studio and locate the detected objects more precisely with the Pinpointer mode.

Detectable objects and structures with Rover C4

Ground Scanning with Metal Detector Rover C4

Detectable items that can be found with the 3D ground scanner Rover C4 are:

  • Lost treasures and hidden precious metals
    treasure chests, gold coins, jewelry, silverware, statues, general valuables, buttons, medals etc.
  • Underground voids and cavities
    tunnels, graves, chambers, cellars, sepulchers, dugouts, shelters, bunkers etc.
  • Natural gold minerals
    gold ore, gold deposits, gold veins etc.
Detector Rover C4

Scan Analysis with Visualizer 3D Software

After transferring your 3D Ground Scans and Mineral Scans to the notebook with Visualizer 3D Software, the scan data are ready for further analyses in order to:

  • Identify Potential Objects and Hidden Treasures

    The detected targets are represented by different colors. The color information will tell you if it is a ferrous metal (iron, steel), precious metal (gold, silver, bronze, copper) or a void structure (cave, tunnel, grave, chamber).

  • Determine Position and Depth

    The software shows the position of the detected anomalies and – according to the chosen soil – how deep the target is buried in the ground.

  • Calculate Object Dimensions

    Besides depth information, Visualizer 3D Studio can also calculate the dimensions of hidden targets and buried items.


Treasure Hunting

Cavity Detection

Militaria Detection

Natural Gold Prospecting

Explosive Ordnance Disposal Services

OKM Search Services

1xControl Unit
1xStandard Probe with LED Orbit
1xSuper Sensor with LED Orbit
1xPre-configured Windows Notebook
1xUSB Flash Drive with OKM Visualizer 3D Studio Standard Edition
1xBluetooth Headphones incl. charging cable
1xCharger with charging cable
1xTravel Adapter
1xProtector Tube
1xWaterproof and shock-resistant Protector Case
1xQuick Start Guide

Control unit

  • Dimensions (H x W x D): 390 x 300 x 140 mm
  • Weight: about 1.5 kg
  • Input voltage (max.): 19 V DC, 3.16 A, 60 W
  • Processor / Main CPU: Cortex M3, 32 MHz
  • Processor / Slave CPU: Cortex M0, 24 MHz
  • Display: 3.5” Resistive touch, 480 x 320 Pixel
  • Display CPU: Cortex M3, 32 MHz, 128 KB RAM
  • Data memory: 4 GB
  • Sample rate: 1024 values / second
  • Measurement resolution: 16 bit
  • Operating temperature: –10°C – 60°C
  • Storage temperature: –20°C – 70°C
  • Audio: Internal speaker / Bluetooth
  • Waterproof: No
  • Air humidity: 5% – 75%

Standard Probe

  • Weight: 0.4 kg
  • Length: 445 mm
  • Diameter tube / LED Orbit: 35 mm / 65 mm
  • Technology: SCMI-15-D

Super Sensor

  • Weight: 0.9 kg
  • Length: 960 mm
  • Diameter tube / LED Orbit: 50 mm / 65 mm
  • Technology: SCMI-15-D

Data transmission

  • Technology: Bluetooth 5.1
  • Frequency: 2.402 – 2.480 GHz
  • Maximum Transfer Rate: 1 Mbps
  • Maximum Transmitting Power: +8 dBm
  • Maximum Range: approx. 10 m

Computer minimum requirements

  • Interface (data transmission): USB 2.0
  • Free disk space: 250 MB
  • Working memory (RAM): 2 GB
  • Display: 1920 x 1080
  • Processor: 1.2 GHz
  • Graphics card: 1 GB RAM, OpenGL 3.3
  • Operating system: Windows 10
The technical data are average values. Minor deviations are possible during operation.
OKM Rover C4
Best detector: Rover C4

I tried several brands and stick to OKM - best devices on the market with greatest help and service.

Gold Seeker from South America
OKM Rover C4
Rover C4

The king of devices Rover C4

Aymen Boudi Naseef

Metal Detector Fusion Professional OKM Fusion Professional

OKM Fusion Professional

Metal Detector with SRIS Coil
OKM Care
OKM Detector Training
OKM Scan Analysis OKM Scan Analysis
OKM Power Pack D/C OKM Power Pack D/C
OKM Visualizer 3D Studio OKM Visualizer 3D Studio

OKM Visualizer 3D Studio

Detection Software to Visualize Located Structures in 3D
OKM Rover UC OKM Rover UC

OKM Rover UC

Metal Detector disguised as Trekking Pole with Smartwatch
ePaper OKM Explorer #1 2023
OKM 3D Software Training
Find your perfect OKM detector