Money Detector Pen,Moeny tester pen,Exchange Pen, banknote detector,easy to use,

Features & FunctionMark the note , for excample,with a cross,in an area which is lightly-colored and not printed onIf the marking shows up as bright yellow, your banknote is genuine and therefore valid!The marking disappears again after a few hours.If the marking goes dark and stay dark, your bank note is forged!It can be used for Euro and USA and other international banknote.Material: Plastic

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