Handheld metal detector-MD-300

It
is a high performance Hand Held Metal Detector designed to meet the
exact requirements of the security industry.Typical uses will include
body search for offensive weapons like knife,gun and so on,Detecting
metal articles for factory and store use.

Specification:

• It
  features simple operation,exquisite design,and convenient conservation

• Convenient
  to take

• Low
  failure rate,can detect ferrous metal and non-ferrous metal

• High
  sensitivity,can easily detect pin-sized metal articales(Even less than
  0.2g weight)

• Indication
  of low battery voltage

• Alarm:sound
  and light alarm simultaneously

• Power
  supply: one 9V battery