Hand-held MD-300 metal detector

Product Introduction chinacoal05MD-300 metal detector is a mini-type hand held metal detector, it mainly used for the security inspectionin those important places, such as: customs, airport and court. It will alarm orvibrate when it detects the metal objects.Function features:*It features simple operation, exquisite design, convenient conservation and low failure rate.*Highly sensitive, it can easily detect pin-sized metal articles (or even smaller metal articles).*Its