This note tester pen works on currency, including , Euro, Pound, Yen, Won, Ruble, Cruzior, Pesos, Rand, Peseta, Thai Baht(THB), Taiwand (NTD). It will leave a bright yellow mark on currency and a dark mark on forged . Identify the money in seconds. Features: Work on currency, including , Euro, Pound, Yen, Won, Ruble, Cruzior, Pesos, Rand, Peseta, Thai Baht(THB), Taiwand (NTD). Mark the note, for example, with a , in an area which is lightly-colored and not printed on. For genuine note, the mark is bright yellow. For forged note, the mark goes dark and stays dark. The make will disappear again after several hours. Identify note in seconds, helper for cashiers. Specifications: Quantity: 1pcs Item Size: 13.2 * 1.2 * 1.2cm / 5.2 * 0.5 * 0.5″ Item Weight: 8.5g / 0.3oz Package Size: 25 * 9 * 1.3cm / 9.8 * 2.5 * 0.5″ Package Weight: 21g / 0.8oz Package List: OS0484 1 * Money Pen Note: Only the tester pen is included.