Description of MD-300 Portable Hand Held Airport Archway Security Inspection Metal Detector

The MD-300 is a compact, portable handheld metal detector designed for security inspections in high-risk areas such as airports, customs, and courts. It is ideal for detecting metallic objects and providing immediate alerts through sound, light, or vibration when metal is detected.

Key Features of MD-300

This model offers an easy-to-use interface, sleek design, and reliable performance with minimal maintenance. Some of its standout features include:
  • High sensitivity that can detect even the smallest metal objects, such as pins or tiny fragments.
  • Adjustable sensitivity settings to suit different environments and requirements.
  • Low battery indicator with a continuously lit LED light.
  • Excellent price-to-performance ratio compared to similar models on the market.
  • Dual alarm system: audible and visual, as well as vibration alerts for discreet use.

Technical Specifications

Power Supply 9V (6F22) Alkaline Battery or Rechargeable Battery
Operating Frequency 22 KHz
Operating Temperature -5°C to +55°C
Operating Current < 50mA
Operating Voltage 7V - 9V
Visual Indicator Red / Green LED
Sound Output Built-in Speaker
Vibration Control On/Off Switch, Low Sensitivity Switch, Sensitivity Adjuster
Sensitivity Range High Sensitivity: 20mm at Pin, 60mm at USD 25 Cent
Low Sensitivity Detects larger metal objects like a 38 Caliber handgun (35cm), pen knife (25cm), or razor blade (28cm)
Export Packaging 20 units per carton
Net/Gross Weight per Carton 7.8 kg / 12.6 kg
Packing Dimensions 540 x 330 x 400 mm
Unit Dimensions 370 x 160 x 60 mm
Unit Net Weight 270 g
Color Black

Product Images

MD-300 Metal Detector
MD-300 Metal Detector
MD-300 Metal Detector
MD-300 Metal Detector

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September 13, 2025