MD-3003B Handheld Metal Detector Scanner High Sensitivity Sound LED Vibration

The MD-3003B Handheld Metal Detector Scanner is a portable security screening device designed to detect concealed metallic objects on people or inside bags, luggage, parcels and other items.

Its adjustable high-sensitivity detection system can identify both small and larger metal objects, while dual alarm options allow operators to use either sound with LED indication or a silent vibration mode for more discreet inspections.

The lightweight handheld design, long detection area and included wrist strap make the MD-3003B suitable for repeated security checks at entrances, checkpoints, events, workplaces and other controlled-access locations.

Key Features

• High Sensitivity Metal Detection – Detects small and larger metallic objects during security inspections.
• Adjustable Sensitivity – Detection sensitivity can be adjusted according to different screening requirements.
• Dual Alarm Modes – Select between sound with LED indication or silent vibration alert.
• 22kHz Operating Frequency – Designed for consistent handheld metal detection.
• Portable Handheld Design – Lightweight and convenient for repeated daily security screening.
• Wide Detection Area – Long scanner head allows efficient body, bag and luggage inspection.
• Low Battery Indicator – Alerts the operator when battery power is running low.
• Auto Reset Function – Returns to detection-ready status after an alarm for continuous scanning.
• Simple Operation – Straightforward controls for quick security checks.
• Wrist Strap Included – Helps improve handling and reduces the risk of accidental drops.
• Standard or Rechargeable 9V Battery Support – Operates using one compatible 9V battery.

Specifications

• Model: MD-3003B
• Product Type: Handheld Metal Detector / Security Scanner
• Operating Frequency: Approx. 22kHz
• Power Supply: 1 × 9V Battery
• Battery Type: Standard or Rechargeable 9V Battery
• Alarm Modes: Sound + LED / Silent Vibration
• Sensitivity: Adjustable
• Dimensions: Approx. 410 × 85 × 45mm
• Weight: Approx. 248–409g depending on configuration
• Working Temperature: Approx. -5°C to 55°C
• Operation Type: Handheld
• Colour: Black
• Low Battery Indicator: Yes
• Wrist Strap: Yes

Detection Performance

Detection distance varies according to the size, material composition, orientation of the metal object, sensitivity setting and battery condition.

Typical detection examples from the supplied product information include:

• Paper Clip / Pin: Up to approx. 30mm
• Coin: Up to approx. 60mm
• Mobile Phone / Lighter: Up to approx. 120mm
• Larger Metal Objects: Up to approx. 150mm

These distances should be treated as approximate detection examples, not guaranteed detection ranges under every operating condition.

Detection Applications

Suitable for detecting common metallic items such as:

• Pins
• Paper clips
• Coins
• Keys and similar metal objects
• Mobile phones
• Lighters containing detectable metal components
• Knives and other concealed metallic objects
• Other larger metal objects

Suitable Applications

Ideal for security screening at:

• Airports and transportation checkpoints
• Shopping malls
• Hotels
• Office buildings
• Factories and warehouses
• Schools and institutions
• Exhibition halls
• Concerts and public events
• Security guard checkpoints
• Government buildings
• Building entrances
• Parcel and mail inspection
• Luggage and bag inspection
• Event access control

Package Contents

• 1 × MD-3003B Handheld Metal Detector Scanner
• 1 × Wrist Strap

Usage Notes

• Adjust sensitivity according to the screening environment and target object size.
• Detection distance can vary depending on the object's size, metal composition and orientation.
• Low battery power may affect detection performance.
• For discreet inspections, use the vibration alarm mode.
• This product detects metallic objects and should not be presented as capable of identifying the exact type of detected item.
• Keep the detector dry and operate within the stated working temperature range.