Steelmaster Bill DetectorWhy take a chance on accepting large counterfeit bills? Detect counterfeit bills quickly. Just swipe the bill; the detector will beep if the bill is counterfeit. No training or operator knowledge needed. Two UV bulbs allow users to visually check for security thread on currency. The Steelmaster 200SM Dual Counterfeit Detector can also be used to verify ID and credit cards, checks, credit cards, driver's licenses, passports, social security cards, and