The Semacon Model S-960 AC/DC compact automatic currency authenticator / counterfeit detector features a simple Pass/Fail indicator and eject direction control. Feeding a bill is easy and is followed by an immediate pplindication of authenticity. The S-960 verifies banknote paper density and size, checks both sides for the valid magnetic features, metameric infrared marks, ink properties, and banknote infrared images. It provides the highest counterfeit detection accuracy available in a compact point-of-sale machine. Banknotes can process at a rate of 80 per minute. Authenticated notes can be ejected through the rear causing the PASS indicator to illuminate. Suspect notes are returned to the feed tray causing the machine to beep and illuminate the FAIL indicator. The S-960 has a rechargeable lithium ion battery so machine can be used with or without an AC power cord. When plugged in battery automatically recharges. In battery mode operates up to 14 hours. The S-960 is also upgradable for handling future banknote releases by the Federal Reserve.