Sleek compact pen sized, USB rechargeable lithium ion battery powered flashlight with a UV LED that provides ultraviolet light for detection of fraudulent documents, forensic investigations, or detecting engine or HVAC leaks. It features a tail cap switch for momentary or constant on operation and a pocket clip for convenience. Aluminum housing with Type II MIL-Spec anodized finish. Glass lens, gasket sealed. 400 nanometer UV LED technology, impervious to shock with a 30,000 hour lifetime. Light output: 325 mW measured system output. Fully regulated output for consistent UV performance over the battery life. 6.15 inch length. 0.74 inch body diameter.