Counterfeit Money Detection System， UV Light; Watermark Detector; Color Change Ink， U.S. Currency， 0.8 x 0.8 x 6， Black/Green

Powerful yet compact ultraviolet penlight reveals UV-sensitive security markings on 1996 series or newer U.S. currency denominations greater than $1. Counterfeit detector pen detects bad bills by marking a line on the bill; if the mark turns dark， the bill is suspect. UV light also works on many foreign currencies， major credit cards， passports， traveler’s checks and more. Counterfeit Bill Detector Type: UV Light and Watermark Detector; Color Change Ink; Marking Color: Amber; Counterfeit Indication Mark: Black; Dark Brown; Currency: U.S.