cheap high sensitivity Hand Held Metal Detector for public security

This cheap Hand Held Metal Detector,It can be used for public security in airports, railway stations, docks, prisons, customs and frontier defense as well as quality control of medicine, food and other commodities. It is a high performance Hand Held Metal Detector designed to meet the exact requirements of the security industry.Typical uses will include body search for offensive weapons like knife,gun and so on,Detecting metal articles for factory and store use.

• It features simple operation,exquisite design,and convenient conservation
• Convenient to take
• Low failure rate,can detect ferrous metal and non-ferrous metal
• High sensitivity,can easily detect pin-sized metal articales(Even less than 0.2g weight)
• Indication of low battery voltage
• Alarm:sound and light alarm simultaneously
• Power supply: one 9V battery

Guideline: Loosen the screw of the battery door and install a 9V battery (Not Included). Hold the arm pole and change the three-position switch from "off" to "alarm". The green LED power light will be on and a short beep can be heard