The RCD-3 Plus 3 Way Counterfeit Detector helps protect yourself from financial loss due to counterfeiting. Fast and easy operation saves time. Mult-functional detection with UV, MG and Watermark. Compact, portable design fits anywhere. Includes US currency chart to easily lodate security threads adn watermarks. The RCD-3 Plus 3 Way Counterfeit Detector has a Currency Guide, Micro Print magnifier, UV Light, Magnetic Sensor, Watermark Indicator and Security Thread locator.