Features: The counterfeit currency detector pen is an essential tool for businesses and individuals who handle cash regularly. Simply mark a bill with the pen, and if the ink turns dark, the bill is likely counterfeit. This quick method helps prevent financial losses and ensures that you only accept genuine currency. Ideal for retail stores, restaurants, and any cash-handling environment. Features -Color:Black -Material:PP -Size:13.50X1.30X1.00cm/5.31X0.51X0.39in -Portability: the portable design allows you to carry the counterfeit pen in your pocket or backpack, making it convenient to test money anytime, anywhere -Waterbased ink: equipped with a waterbased ink core, this pen is easy to use and ensures clear markings on banknotes for accurate detection -Easy detection: simply mark the a bright area with the pen; a light yellow color indicates genuine money, while brown to gray suggests it may be counterfeit -Versatile use: ideal for use in restaurants, retail stores, convenience stores, markets, and other locations where cash transactions occur -Durable material: made from durable materials, this counterfeit pen is designed for longlasting use, providing reliable performance over time Package list: 5 x Counterfeit Bill Detector Pen