Feature:1. 365 NM ultraviolet light black filter lens, filter out unwanted light, make uv more pure.2. Use for money detection, UV filter lens, ultraviolet fluorescence detection light, Jewelry, chrysophoron, and beeswax detecting.3. LED light, good brightness, energy saving, long service time.4. Lightweight and portable, easy to carry and use.5. With lanyard, not easy to fall or lose.Specification:Item type:Ultraviolet LightFlashlight Condition: 100% brand newMaterial:aluminium alloyWeight: Approx. 63gColor: blackLight source: 5W 365 NM UV LED high power chipAccessories material: copper circuit compartment, aluminum alloy body, aluminum reflective cupDrive circuit: Constant current 7135 (single gear)Power: 5WUltraviolet power: about 1000MWWavelength: 365 NMBattery: 1 x 18650 battery (not included)Widely used in fluorescent anti-counterfeiting industry:01. High-grade and alcohol anti-counterfeiting industry.02. The stamp collection and identification industry.03. The identification of chrysophoron industry.04. Appraisal of curios collection.05. The anti-counterfeiting bill certificate industry.06. Fluorescent seal ink industry.07. Global currency anti-counterfeiting industry.08. The industry of tissue paper fluorescence detection.09. Fluorescence fiber inspection industry.10. Dust, fiber and other industries.Package List:1 x Flashlight1 x LanyardNotice:1.This 5W ultraviolet flashlight is high-power flashlight, it will heat normally in use.2.Please do not discharge the lithium battery out of the battery in use, please charge it in time when the brightness is not enough, not to damage the battery.