200W high-power 365nm ultraviolet flashlight, high-power black light LED aluminum alloy USB charging ultraviolet lamp Brand Name：AloneFire Model Name：SV140 Product Material：Aluminium alloy Flashlight Color：Black LED light bulb：10 x 365nm UV led Power（W or Lumens）: 200w Applicable Battery： For 4 x 3.7v 18650 battery Charging method ：TYPE-C CHARGING Input voltage：5V Output voltage：5V Work Mode：2mode（High Brightness - Low Brightness） Working time：About 2-4hours(The working time of the lamp may vary due to changes in battery capacity or temperature, for reference only, not as a basis!) Dimensions：15.6cm/6.14in(length)x 5.8cm/2.28in(head) x 5.4cm/2.131in(Tail) Net weight：About 368g/0.81 Lb Only flashlight Product features 365nm UV FLASHLIGHT: 365nm ultraviolet light is invisible to the naked eye, so that it is not as BRIGHT as the 395nm flashlight, but more perfect for detection of high demand like fluorescent agents & security code. 365nm UV is the real dedicated detection spectrum. It can be used in natural light and performs better in the dark with little visible light leak. can be used as pet（dog/cat) urine detector/scorpion/finder/fluorescent/detector/currency/license/card/passport authenticating/oil stains/leakage detector/ore ect. In the dark environment, UV purple light detection effect is better