YYGIFT Multi-Function 395 nM 51 UV Ultraviolet LED Flashlight Blacklight for Spotting Scorpions Bed Bugs Insects Critters and Dog Cat Urine Stains Funny Gifts Emits 395 nanometer wavelength, hunting scorpions and minerals. 51 UV 395 nm LED bulbs cover a larger area than most UV flashlights. Excellent for hunting scorpions, searching for minerals, hotel room inspection, rodent contamination Waterproofing grade:Ordinary rain proof , not used for diving. Battery Required: 3 x AA Alkaline Battery (Not Included)