Streamlight 65069 Stylus UV LED Pen Light with 3-AAAA Batteries, Black

When you shine a Streamlight ultraviolet flashlight light on a document with hidden graphics, you'll see the "invisible" graphics. If no image appears, you will know instantly that the document is fraudulent. An Important Forensic Tool. Streamlight ultraviolet lights are also used by medical examiners to quickly detect the presence of proteins at crime scenes. An ultra-slim pen light with a high intensity LED which lasts 100,000 hours. Perfect for tactical use and covert operation while preserving night vision.