1379 magical water-based multi-function money detector pen mini portable identification pen

FY-1379 Magic Water-Based Banknote Inspection Pen: It features both water-based and ultraviolet banknote inspection functions.

1: One part is an LED ultraviolet tester: The banknote under violet light
a. The 90th edition of genuine currency features “100”, “YIBA”, “50”, and “WUSHI”
b. The new version of the genuine coin has golden fluorescent markings with numbers 10, 50, 20, 10, 5, and 1 on the obverse side, while the reverse side has no fluorescence; the counterfeit coin lacks fluorescence.

2: The other side is a water-based money detection pen: When used, simply draw on the real coins. Coins that retain their original color are genuine, while those turning black are fake.

This is a professional banknote verification pen. It can identify the authenticity of banknotes, checks, and securities from most countries around the world. With just a touch on the banknote, genuine currency appears light yellow or colorless and disappears automatically without leaving a trace; counterfeit currency appears black or brown and the color is difficult to remove, leaving a mark.
Packaging: 500 pcs per box, with 5 intermediate boxes per box, each containing 100 plastic cards, and one plastic card per pen.