1 Piece Portable Mini Multifunctional Cash Detector Pen Money Detector Pen Multi-foreign Currency De

Specifications: ? Support detecting currency: British Pound, Euro, Japanese Yen, Thai, Korean Won, US Dollar, Ruble, Taiwan Dollar, Australian Dollar, Chinese Yuan Renminbi, Hong Kong Dollar ? Using method: Put the pen on the banknote and gently stroke it, If the color is the same, it is real money; If the color turns black, it is not real money (the scratch will disappear automatically after a few hours) ? Package includes: ? 1 * Currency Detection Pen