Description

Product Features :
1.High Sensitive , 
2.Simple , Convenient , No adjusting ;
3.9V fell to7V , detection range is constant ;
4.Save electricity , continuously work more than 40 hours ;
5.Alarm by buzzing or vibrating ;

6.Automatically buzz or vibrate continuously , when the battery run out 

Product Features :
3.High Sensitive , 
4.Simple , Convenient , No adjusting ;
3.9V fell to7V , detection range is constant ;
4.Save electricity , continuously work more than 40 hours ;
5.Alarm by buzzing or vibrating ;
6.Automatically buzz or vibrate continuously , when the battery run out 
7.Boot or shutdown , the detector will buzz or vibrate ;
8.Sensitivity level, high and low, two options ;
9.Have plug-in socket .

Application :
1.Aviation ,Station , Ports ;
2.Customs, Public Security , Frontier Defense Department ;
3.Medicine , Food Commerce System ;
4.Critical Infrastructure , Playground Security ;
5.Precious Metal inspection , such as gold , silver jewelry manufacturer .