【Quality 365NM UV LED】Uses high quality LG 365nm UV LED as the light source, up to 5W power consumption and 1000-1200MW light output, making it an ultraviolet flashlight professional for business use 【Black UV Filter Lens】Equipped with hardened black filter optical lens which can filter out extraneous light from the environment, making ultraviolet light purer 【Built-in Li-ion battery】High-capacity lithium battery with charging indicator, and the ultraviolet flashlight has overheating and overcharging protection function, which makes the charging process safer< /p> 【Quality Aluminum Alloy Shell】 The body housing uses high quality aluminum alloy, which has greatly improved its heat dissipation performance, making the flashlights more reliable and durable 【Powerful multifunctional application 【UV can reveal the stains or fluids invisible to the naked eye on the floor or even the grass. Such as counterfeit document detection, money verification, amber and jewelry detection, urine and