Police Security - BOS98343 Ultraviolet inspection light features UV LEDs that can reveal materials that are not seen through normal lighting such as automotive leaks, pet urine and blood. Lightweight aluminum construction and handy belt clip allow easy portability. Light is powered by the two included AAA batteries and provides up to 6 hours of use. Inspection light with a 395nm output is perfect for mechanics, hunters, industrial tradesmen and more.