Hand-held metal detector MD-3003B1

 
Detailed Product Description
 
Super Hand-held Metal Detector
Features and specifications:
Power: 9V  500mA
Frequency: 22KHz
 
Operating Temperature: -5 to +55 
The sensitivity is determined primarily by the size,shape of the goods 

Maximum Detection Range: 
38Caliber hand gun :20cm 
Pen knife: 15cm 
Razor blade:10cm
 

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