The PMD38 Secure Scan Handheld Metal Detector allows for reliable security. Use this handheld security scanner anywhere – indoor or outdoor events, schools, cafeterias for food safety, sports events or anywhere you need dependable metal detection. Adjustable sensitivity settings allow pin detection at .4 Inch and a 20mm steel ball at 2.7 Inch depth. Choose between sound or vibration detection alerts. Add that extra line of safety with the Pyle PMD38 Handheld Metal Detector.