The Franklin Machine Products 139-1145 Counterfeit Detector Pen with UV Light is a versatile tool designed for professionals who require quick and reliable currency verification. This compact pen-style detector combines two essential features – a counterfeit detector pen and a UV light – to offer a dual-layered defense against fraudulent notes. By marking bills, the pen can quickly identify counterfeit currency through chemical reactions, while the integrated UV light provides added verification by highlighting security features embedded in authentic banknotes. This tool is particularly valuable for businesses in retail, banking, and hospitality sectors, where cash transactions are frequent, ensuring efficiency and security against financial losses. The pen’s portability allows for easy storage and accessibility, making it a practical choice for both on-the-go professionals and stationary cash handling environments. The Franklin Machine Products 139-1145 Counterfeit Detector Pen with UV Light stands out for its dual-functionality, offering a simple yet effective solution to the ever-present threat of counterfeit currency. Its user-friendly design and reliability make it an indispensable asset for businesses aiming to safeguard their financial transactions without investing in larger, more expensive detection systems.