Feature: 1. PURPLE LIGHT DETECTION: Quickly distinguish between true and false, when the purple light illuminates the banknotes, a fluorescent pattern will appear. 2. EASY TO OPERATE: The UV currency detector has one key button, switch operation, convenient and fast. With fluorescent function. 3. BATTERY POWERED: The UV detector is battery powered, requires 4 AA batteries, is easy to carry, and has a violet light power of 4W. 4. SCOPE OF APPLICATION: The banknote detector can identify foreign currencies, passports for going abroad, bank drafts, checks, credit cards, value added tax invoices, customs tax invoices, etc. 5. HIGH QUALITY MATERIAL: The money detector is made of high quality plastic material, which is sturdy, stable and very durable. Specification: Item Type: Money Detector (Battery) Material: Plastic Battery: 4 x AA Batteries (Not Included) Identification Type: 1. RMB, Foreign Currency, Overseas Passport, ID Card. 2. Bank Draft, Check, Peony Card, Credit Card. 3. Value Added Tax Invoices, Customs Tax Invoices, Gasoline Tickets, etc. Performance: Purple Light Inspection Violet Power: 4W. Package List: 1 x Money Detector (Battery)