The Cassida UNO Counterfeit Detector D-UNO saves time and money. Powerful IR Technology for authentication The Cassida Uno instantly ensures the paper currency youre taking is genuine. This state-of The art detector identifies infrared (IR) security marks that are present on authentic currency, but are invisible to the naked eye. Simply place bills under the high resolution monitor to instantly confirm bills have the required infrared markings. No questions, immediate verification All newer United States bills have identifiable IR markings, which are a pattern of stripes unique to each denomination. Anyone looking at the bill wont see them, but the stripes become immediately visible when viewed under the Uno monitor. These IR markings are one of the most advanced security features in currency today and, to date, have not been counterfeited. Unos large monitor shows these stripes immediately and with such clarity that theres no need to second guess. If you see stripes, the bill is legitimate. No stripes? The bill is suspect. Compact, stylish construction The Uno is designed to work in busy cash handling stations. We engineered it to be compact enough to fit next to the register and make it easy for cashiers to quickly view results. The large, built-in monitor emits high resolution images, leaving no doubt as to whether currency has the required IR security marks. Trust Uno and its powerful IR detection to alert you to suspicious currency.