JacobsParts FLT-C 51-LED Handheld Blacklight UV Flashlight with Wrist Strap for Pet Stain Urine Detection 51 high powered ultra violet LEDs bulbs allow coverage of a large area Emits an intesnse UV light at 395 nanometer wavelength Operates on 3 x AA batteries (not included) Made from aluminum with O rings for water resistance Perfect for pet stain inspection, hotel room inspection, rodent contamination, finding scorpions, an