DARKBEAM UV 365nm Light Wood's lamp Blacklight Ultraviolet Flashlight LED Portable Mini Handheld Torch Detector for Dog Urine Pet Stains 370nm Anti-counterfeiting Identification, Resin Curing
<b>SK68 Flashlight(1 pack)</b><br> Material: Aluminum alloy<br> Reflector: Convex Lens<br> Lamp: A 5W UV LED beads<br> Wavelength: 365nm<br> Zoomable: Focus adjustable<br> Battery: 1 X AA / 1 X 14500 Battery (no included) <br> Size: 3.7X0.8X1.0in<br> Weight: 52g<br> One light modes: Steady light<br> <br> <b>Performance And Application</b><br> Checking the money<br> Checking the security code<br> Detecting invisible pet urine<br> Hunting scorpions and minerals<br> Detecting bed Bug<br> <br> <b>How to use</b><br> 1.The black light work by showing phosphors- a substance that emits visible light because of radiation. Since the naked eye cannot see them, we are reliant on help to spot them, the black light make this possible.<br> 2.The flashlight need to use with batteries, one AA or one 14500 battery(not include).<br> <br> <b>The Science Behind The Thing</b><br> 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 light. Technically, UV lights are radiation - it is a lower frequency wavelength than X-rays. So don't shine these lights directly into your eyes!<br>