Money Detector Pen,Moeny tester pen,Exchange Pen, banknote detector,easy to use, Money Detector Pen/Cash Tester/Currency Detector/Banknote Detector      1) mark the note , for excample,with a cross,in an area which is lightly-colored and not printed on2) if the marking shows up as bright yellow, your banknote is genuine and therefore valid!3) if the marking goes dark and stay dark, your bank note is forged!4) the marking disappears again after a few hours.5) it can be used for Euro and USA and other international banknote

Money Detector Pen,Cash Tester,Currency Detector,Banknote Detector