1. The unique ink in the Detector Pen identifies notes quickly & easily.
2. Genuine currency: light yellow or clear color mark (the marking will disappear after a few hours); Suspect currency: Brown or Dark mark appears.
3. Ideal for testify Bank Notes.
4. Works on international paper including: Arjantin Peso, Brezilya Cruziro, ingiltere Pound, Fransa Euro, Almanya Euro, HongKong Dollar, Italya Euro, Japan Yen, Korean Won, Macao Dollar, Malaya Dollar, Yeni Zelanda Dollar, Russia Ruble, Guney Afrika Rand, Ispanya Peseta, Tayvan NT Dolar, Tayland Baht, A.B.D Dollar.
5. With a small UV light in the pen lid: Simply put the note under the UV light on a dark background, the value of the note will appears in bright red and green in specific area.