Dri Mark UVD549 Dri Mark iDetector Counterfeit Currency And ID Detector With Ultraviolet Light iDetector portable counterfeit detector system for currency, driver's licenses, credit cards, money orders features ultraviolet LEDs and white LED. Includes Counterfeit Detector Pen. Portable, affordable counterfeit and fraud detection. State-of-the-art system is ideal for retailers, banks, bars and restaurants...anywhere cash or credit cards are handled or IDs are checked. Ultraviolet LEDs pick up UV markings on documents and currency. Powerful white LED reveals watermarks on paper currency. Portable, affordable counterfeit and fraud detection. money orders features ultraviolet LEDs and white LED. Ultraviolet LEDs pick up UV markings on documents and currency. Powerful white LED reveals watermarks on paper currency. iDetector portable counterfeit detector system for currency, driver's licenses, credit cards, State-of-the-art system is ideal for retailers, banks, bars and restaurants Includes Counterfeit Detector Pen anywhere cash or credit cards are handled or IDs are checked.