Money Checker Pen Marker Fake Bill Detector Pens w/ UV LED Light Easy to Check Counterfeit Cash Detector.

Functionality: Dual-purpose Money Checker and Highlighter

Portable and Convenient Design:Featuring a clip, this mini Bill Detector Pen is easily carried and accessible for on-the-go use.

Invisible Ink Feature:In addition to money verification, the pens invisible ink keeps messages secret, enhancing security.