Every modern banknote has integrated UV security features that only show up under ultraviolet light at a certain frequency. The Safescan 40H is designed specifically to help you verify these features and identify potentially counterfeit banknotes. Lightweight and compact, the battery-powered Safescan 40H is the perfect UV counterfeit detector wherever you need fast, portable banknote verification, such as at markets and events or in taxis and delivery vans.