This is a Handheld Metal Detector with Adjustable Sensitivity which is designed to meet the exact requirements of the security industry. Typical uses will include body search for offensive weapons in crowd control, airport and border security, checking parcels and letters for metal objects and anywhere that hidden metal needs to be detected. Security checkpoints are not complete without today's invaluable handheld metal detectors. This portable metal detector offers an effective and affordable means for locating potentially harmful metallic weapons and other forbidden metal object. Just lightly run the handheld metal detector over one's body, you can judge if there's anything forbidden. The handheld metal detector is just like a magic wand. With this handheld metal detector, you can save a lot of time and effort! Ease your life, choose it!