See What You've Been Missing, Get Yours Today and Sleep Better at Night This Powerful UV Optics 100 LED Ultraviolet Flashlight is just the tool you need for finding those unwanted pet urine stains you can smell but can't see. Check for bodily fluids, lice or bed bugs in the bedding of your hotel room when you travel. There are many things the human eye just can't see, the Ultraviolet light wave from this UV flashlight will help protect you from many of them around your home, office or business. Check out some of the many uses below. Powerful Functions Searching for Gemstones and Minerals- Many Gemstones like diamonds and certain minerals fluoresce under UV light Charging fluorescent materials: This UV flashlight will charge "glow in the dark" party materials and paints almost instantly. Useful for night fishing lures, camping sites etc. Document and forgery analysis: UV light can show alterations and erasures to documents. Crime scene inspection: Some bodily fluids will fluoresce under UV light. Currency and Bill verification: Many currencies contain a UV fluorescing strip. Leak detection: By adding a UV powder or liquid to a system with a leak and using a UV light source, leaks can be quickly found. Product Details Wavelength-395-410 Nanometers Bulb Life- 50,000 hours Body Material- Durable Aluminum Alloy Lens Diameter- 3“ Nominal length- 8” Weight-1lb Batteries- 6 AA (not included)