Handheld Metal Detector With Vibration / Voice Function

SPECIAL FEATURES1. Can detect medium size of pistol at 9", pocket knife at 6", steel key chain at 5", razor blade at 3" and hat pin at 1"2. Automatic retuning3. Vibration/voice switchable detection4. LED battery check5. No tools required to replace battery6.12 months of warranty under normal operationMAJOR SPECIFICATIONS1. Sensitivity: For needle 1.5cm, for coil 8.0cm2. Power source: One 9V alkaline battery or one 9V Ni-MH rechargable battery,110V or 220V adaptor (optional)3. Detection: Vibration/voice switchable4. Sensor plate:14.95cm x 7.0cm5. Handle plate:22.05cm x 7.4cm6. Operational Temperature: -5 deg. C ~ 40 deg. C7. Length:37.0cm8. Weight:265gs9. Packing:50pcs/CTN10. Accessories: PVC Leather Pouch (INCLUDED)9V Rechargeable Battery & Charger (OPTIONAL)METAL HUNTER is one of the most effective security products in the market and is a must have device for security companies/checkpoints/borders/airport authorities/conference& concert organizers/political campaigns/treasure hunters/military bases/prisons/government organizations and many others.