Introduction: This is a high performance Hand Held Metal Detector designed to meet the exact requirements of the security industry. The special design of its detecting area makes this model has very high sensitivity. Also， it is easy use， durable material， fine workmanship， and portable. 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. Specification: Power: 9V (6F22) Frequency: 25 KHz . Current: Standby: 10mA; Max: 50mA Voltage: 7-9V Operating Temperature: -15to +55 Sensitivity: Pin: 1mm; One coin: 60mm; 25 cents: 40mm Indication Mode: Vibrate Mode; Weight: 225g (not include battery) Low battery indicator/ Charge Lamp give you a timely alertPackage : 1PC x Sensitive Metal Detector( not include battery )