Royal Sovereign Dual Band Infrared Camera Counterfeit Detector (RCD-4000D) Fast Results: Dual band infrared camera verifies currency in seconds Easy Verification: Large LCD Display allows the consumer quick verification of the validity of the bill High Security: Infrared Counterfeit Detection looks for anti-counterfeit design patterns on currency that are not visible to the naked eye Compact Design: Counterfeit Detector can stand or be mounted for ultimate consumer convenience Easy to Use: Detector comes equipped with US currency chart to help show the user if the bill is counterfeit