BlueDot Trading 51-LED UV Light Flashlight, Black Detecting Head and Body Lice Eggs (Nits and Eggs reflect ultraviolet light) Fluoresces Gems, Minerals and Fossils Detecting Bed Bugs HVAC / AC LEAK DETECTOR Light in the 390 to 395 nanometer wavelength Detecting Head and Body Lice Eggs (Nits and Eggs reflect ultraviolet light) Fluoresces Gems, Minerals and Fossils Detecting Bed Bugs HVAC/AC LEAK DETECTOR Light in the 390 to 395 nanometer wavelength Head and Body Lice Eggs (nits and eggs) Scorpions Bed bugs Fluoresces Gems, Minerals and Fossils Use with UV Automotive Dye to detect Automotive coolant A/C Freon Refrigerant Gas Fluids Leaks Pet stains- dog or cat urine Blood stains &amp; bodily fluids Counterfeit money, stamps &amp; tagging Rodent droppings Food stains Rave parties Nighttime fisherman- Glow in the Dark Bait (UV light charges Glow) Inspect Vaseline, EAPG, Depression, Uranium, Topaz &amp; Canary Glass Enhance certain body paint Test for True Vaseline Glass buttons Curing UV Glue Inspecting glass for cracks and other defects