Detailed Product Description

Application:
1.	Electronic detection inspection at airports, railway stations and wharfs.
2.	Security inspection of customs, public securities.
3.	Quality inspection of medicine and food commercial systems.
4.	Security inspection of important sites and playgrounds.
5.	Noble metal detection, such as gold or silver jewelry manufacturing plants.
Detection distance:
1. Pin                          30-60mm
2. 64 model tool         150mm
3. 6-inch long knife     160mm
4. Diameter                 20mm
5. Steel Ball                 90mm
Features:
1.	Highly sensitivity.
2.	Simple and convenient to use, no adjustment is required.
3.	The detection distance will not be changed when the battery voltage 
                 drops from 9V to about 7V.
4.	Low power consumption, can work for 40 hours continuously.
5.	There is automatic and continues alarm when the battery is used up.
6.	Switch on/off audio prompt function.
7.	With external rechargeable socket hole.
8.	Has audio, Light and vibration handoff switch.