5 invisible ink pen + led light uv integrated ' 2 in1'

INVISIBLE INK PEN PEN UP INVISIBLE INVISIBLE WRITING PENS
This pen with invisible ink is revealed in the presence of ultraviolet light . You will keep all your secrets Thus narratives : a blank page will be filled with confidential information without anyone suspecting . To read the writings made ??, use a torch to ultraviolet or ultraviolet LED integrated into the pen with invisible ink. This pen allows invisible marking equipment. Very useful to identify stolen goods . The applications are many and varied : Guarantee Date , Serial number , name of the owner, etc. We recommend that you use the ref. DFBPIG (portable and small lamp ) or any other counterfeit detector (ref. DFB , ref. DFBP , ref. DFB ) . The ink remains invisible for several years without ultraviolet lamp . The invisible ink becomes visible using an ultraviolet lamp . Note: We do not sell yet invisible ink, but we sell the following products: secret diary with a pen uv invisible ink spy security information (ref. SD1) confidential agenda.