Walfront Security Metal Detector Handheld Security Scanner Tool Safety Bars for Security Inspection, Metal Detector

Specification: Item Type: Metal Detector Material: ABS Plastic Alarm Indication:  Yellow LED Light: Metal target has been detected  Flashing Green LED Light: Power on  Flashing Red LED Light: Low voltage indicator  Alarm :  Sound Mode: Buzzer and red LED  Vibration Mode: Vibration and red LED  Detect Objects: Metal(handgun, dagger, steel ball, coins)  Frequency: 22KHz  Power Consumption: 270MW maximum  Standby Current: 8MA  Reset Time: 0.5 seconds, Automatically  Detecting Distance:  Pin, Iron Nail: Approx. 30-60mm / 1.18-2.36inch  Coins: Approx. 75-100mm / 2.95-3.94inch  Handgun: Approx. 160-180mm / 6.30-7.09inch  Six inch Dagger: Approx. 160-170mm / 6.30-6.69inch  20mm Steel Ball: Approx. 20-30mm / 0.79-1.18inch  Operating Voltage: 9V  Battery: 1 x 6F22 9V Battery (Not Included) Package List: 1 x Metal Detector