Real Instruments MD-4090 Digital Underground Metal Detector – High-Precision LCD Display with Pinpoint Function, Adjustable Sensitivity & Discrimination, Waterproof Coil – Ideal for Coins, Jewelry & Relic Hunting
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Upgrade your treasure hunting game with the MD-4090 Digital Metal Detector — a powerful tool for detecting buried metals with precision and ease. Whether you're a seasoned pro or a beginner, this detector is packed with features to make your search more efficient and fun.
The high-contrast LCD screen displays target ID, sensitivity levels, discrimination settings, and signal strength for easy and intuitive use. Use the Pinpoint (PP) mode to accurately locate the target’s exact position before digging.
Its waterproof search coil allows you to search in wet conditions, such as on the beach or near shallow water. With adjustable settings, ergonomic design, and advanced detection technology, the MD-4090 is a must-have for any serious treasure hunter.
Product Highlights:
✅ Large LCD Display with Backlight
✅ Pinpoint Function for Accurate Target Location
✅ Adjustable Discrimination, Notch & Sensitivity Settings
✅ Real-Time Signal Strength Indicator
✅ Waterproof Search Coil for Beach and Shallow Water Use
✅ Ergonomic Armrest with Lightweight Build
✅ Headphone Jack for Quiet Operation
Technical Specifications:
| Specification | Details |
|---|---|
| Detection Depth | Up to 8 inches (20 cm) (varies by metal type and size) |
| Frequency | Typically 6.6 - 8.5 kHz (estimated) |
| Power Supply | 2 × 9V batteries (not included) |
| Display Type | LCD with backlight |
| Search Coil | 8-inch waterproof coil |
| Weight | Approx. 1.2 kg |
| Audio Output | Built-in speaker + headphone jack |
| Material |
ABS plastic and aluminum |
Applications:
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Coin hunting
-
Jewelry and relic detection
-
Beach metal detecting (coil waterproof only)
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Hobbyist treasure hunting