UV Portable Flashlight Blacklight Flashlights Ultraviolet 395nm Led Scorpion Light Mini Detector for Dog Urine Pet Stains and Bed Bug Zoomable SK682 pack

SK68 Flashlight(2 pack) Material: Aluminum alloy Reflector: Convex Lens Lamp: A 5W UV LED beads Wavelength: 395nm Zoomable: Focus adjustable Battery: 1 X AA / 1 X 14500 Battery (no included) Size: 3.7X0.8X1.0in(1 pack) Weight: 52g X 2pack One light modes: Steady light Performance And Application ?Detecting invisible pet urine ?Hunting scorpions and minerals ?Detecting bed Bug How to use 1.The black light work by showing phosphors- a substance that emits visiable light becuse of radiation. Since the noked eye cannot see them, we are reliant on help to sopt them, the black light make this possible. 2.The flashlight need to use with batteries, one AA or one 14500 battery(not include). The Science Behind The Thing UV lights reflect off of any given substance containing phosphor, something found in highlighters, fabrics, etc. Keep in mind, though, it's not the purple light that is reacting with the phosphor - it's the invisible UV wavelengths. Technically, UV lights are radiation - it is a lower frequency wavelength than X-rays. So don't shine these lights directly into your eyes!