FY-1379 2-in-1 UV Purple light yanchao lights for pen, magic water-based yanchao pen Tester

Key Features

LED: 1 UV  LED
 
Battery: 3XLR1130(included)
 
Weight(g): 17/28
 
Size(mm): 133(L)X18(D)
 
EURO PEN FOR MONEY TESTER
 
Works on international paper currency including:

  ATTENTION:

  
* Mark the note,for example,with a cross, in an area which is 
 
  lightly-  coloured and not printed on.
 
* If the marking shows up as bright yellow,your bank note is
 
  genuine and therefore valid!
 
* If the marking goes dark and stays dark,
 
  your bank note is forged!
 
* The marking disappears again after a few hours.
 
  Battery Replacement (Attached Testing Battery):
 
* Three button batteries (LR 1130)
 
* Pay attention to the polarity of battery.