Model: HT1, Size:20 X 4.5 X 2 cm, Weight 30 gram, DC3V,AA battery,Looks like TV control,Plastic shell (Temporarily use Infrared(IR) Anti-Counterfeit RecognizerModel : HT1 1,Detecting TheoryBased on invisible Infrared theory, UP-CONVERSION PHOSPHOR Anti-Stokes the product can detect item with infrared Anti-counterfeit material. 2,Application method To aim the detector head at the item, to press ...