- Professional counterfeit bill detector Rayoner, 2-in-1 format: blue marker and detector - Compatible with all major currencies: euros, dollars, pounds, and more - Simple and precise detection: clear mark for authentic bills, dark for counterfeit - Special ink resistant to wear and environmental conditions, ensures reliability - Made with durable materials for prolonged and safe use - Ergonomic and robust design, ideal for shops, offices, and businesses - Includes 3 units, ensuring availability and continuous protection - Essential tool to prevent fraud and ensure bill authenticity