<b>DARKBEAM UV usb flashlight </b><br> Perfect for Revealing Dog/Cat and Rodent Stains and unfavourable Spots that couldn't see with the Naked Eye. <br> <br> <b>SPECIFICATION</b> <br> Wavelength:395nm <br> Source: LED <br> Light: Purple light <br> Zoomable: Focus adjustable <br> Meterial: Aluminum alloy <br> Reflector: Convex Lens <br> Battery: Built-in 14500 lithium battery <br> Size: 3.7*1.0in <br> Weight: 67g <br> <br> <b>Performance And Application</b> <br> ✔Detecting invisible pet urine <br> ✔Finding minerals <br> ✔ Authenticating currency/Driver license/Official Identification cards/Passports <br> ✔Party or Halloween makes fluorescent items glow<br> <br> <b>How to use</b>< br> 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. <br> <br> <b>PACKAGE LIST</b> <br> UV 395nm Light Flashlight *1 <br> <br> At DARKBEAM, we stand strongly behind the craftsmanship of our brand products. We back them all with an 90 Days Money Back & One Year Guarantee and Provide Friendly ,Easy-to-reach Support.<br>