SAFEBAO Portable Security Hand Held Metal Detector Wand Scanner Audio Alert + LED Indication &hellip; Hand Held Metal Detector,Audio Alert and LED Indication,Low Power Consumption Simple,convenient and convenient to use,no adjustment necessary Detects even small metal objects,metal detector can find concealed weapon,knives and other metal object in baggage and post parcels. Use this hand held metal detector anywhere in door or outdoor events,schools,cafeterias for food safety,sports events,airport,or anywhere you need dependable metal detection. The lightweight design and comfortable handle makes it easy to use for long periods of time