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"The Safescan 185-S uses the latest counterfeit detection technology to scrutinize seven advanced security features built into today’s currencies: infrared ink, magnetic ink, metallic thread, color, size, thickness and watermark. This technology is so reliable it will detect double bills, half bills, and even the superdollar, the most sophisticated counterfeit bill ever created. In just half a second, you’ll know with 100% certainty whether the bill in your hand is genuine or counterfeit—and your customer will know, too, eliminating unnecessary discussion. The banknote feeder guide ensures USD bills are always fed into the detector correctly, regardless of the orientation of your bill."