KMASHI UV Flashlight 100 LED Light Pet Urine Stain Detector Blacklight Durable ALUMINUM Material: Gun-Metal finish, sleek water resistant shaft with ergonomic rubber grip and carry strap. The KMASHI large uv flashlight with 100 UV LEDs allows you to cover a much bigger area without losing the intensity of the UV light. Emits 400 nanometer wavelength 100 UV LED allow to cover a larger area Makes semen stains and other bodily fluids fluoresce. 100 LONG LIFE SUPER EFFICIENT LED bulbs (100,000 hour) powered by 6 AA batteries (not included). Perfect for outside use such as hunting scorpions and minerals. Water and shock resistant. Widely used in fluorescent anti-counterfeiting, fluorescence fiber special lighting industry. The application is perfect for inspection applications, security control, rodent contamination, hotel room inspection, Counterfeit Currency Finder and much more.