Model : HT1           

 1,Detecting Theory

Based on up-conversion  Phosphors Anti-Stokes invisible Infrared theory,

the product can detect item with infrared Anti-counterfeit material.   

2,Application metho

To aim the detector head at the item, to press the swith continuously,

when the anti-counterfeit material appear, the buzzer will make voice and the green

light will work on. On the counry, when red light work, no voice .   If the item include more

Infrared material , the detector can work only at distance of 2cm.  even the item is covered

 by paper, plastic, cloth etc. the detector can still  pass through and detet.