Features: Ensuring your financial security with these Quick Check Fake Money Detection Pen, which instantly identifies fake money, currency, banknotes with its fast acting ink technology. Designed for convenience and efficiency, this fake bill detector pen fake money checker works on multiple currencies, making it an essential accessory for global transactions. Great for business professional, banker, retailer, small business owner, and frequent travelers who handle cash regularly and need to authenticate currency quickly. Package contains 5Pieces or 10Pieces Fake Bill Detector Pen. Widely used for use in various settings such as international trade, currency exchange bureaus, and while traveling abroad. Easy to use. Simply write or draw a mark on banknote, money. If the mark appears yellow or clear color, then you can consider it to be genuine. If the mark turn into brown or black, you have fake money. Specifications: Color: Black; Blue Component: PP Size: Approximately. 135mm/5.31in Weight: Approximately. 45g; 90g Package Includes: Package Option Package 1: 5Pieces Fake Money Detector Pen Package 2: 10Pieces Fake Money Detector Pen note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color