This  pen will help you to distinguish whether the banknote is fake or not easily and conveniently

Features:

Common pen design, easy and convenient to use
It comes with invisible ink and laser light, double distinguishing function
Suitable for the Euro banknote

Easy Operation:

Mark the note with the pen, for example, with a cross, in an area which is lightly-colored and not printed on;
If the marking shows up as bright yellow, your banknote is as genuine and therefore valid;
If the marking goes dark and stays dark, your bank note is fake;
The marking disappears again after a few hours;
Point the laser light direct to the digital on the banknote, if it appears yellow, then it is genuine.

Weight: 17g
Color: purple
Size: approx 132 x 17mm (L x D)
Package: 1 x Money Tester Pen