1 Piece Portable Mini Multifunctional Cash Detector Pen Money Detector Pen Multi-foreign Currency Detection Color Change

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