Z-Scan provides high sensitivity in anti theft applications where small metals objects must be protected. Jewelry, electronics products, computer processor tool set ccan be scanned.Z-Scan high sensitivity allows a search to be non intrusive and hands - off by minimizing physical contact with the subject.The lightweight construction, comfortable grip, large screening area, fast detection circuitr y all contribute to higher screening and reduce operation fatigue and the unit can even detect as mall staple pin in high sensitivity mode