【HIGH POWER 365NM LIGHT WITH BLACK FILTER LENS】flashlight features upgraded 365nm LED 4-core bead, with high power of 20W. Equipped with special tough black filter optical lens that can block ambient light, releases purer invisible ultraviolet light. 365nm light is invisible to human's eyes, so it is not as BRIGHT as the 395nm light, but more perfect for demanding detection like fluorescent agents & security code.【2 LIGHTING MODES & STEPLESS DIMMABLE】Black light flashlight has 2 lighting modes: High Mode, Medium Mode, you can choose the brightnes according to your environment. Ultraviolet flashlight features stepless dimmable function: Long press the switch, the brightest mode down to the darkest mode; long press again, the brightness darkest mode back to the brightest mode. 【USB C RECHARGEABLE WITH POWER INDICATOR】light flashlight can work continuously for 5-6 hours. You can use the included USB-C charging cable to charge the blacklight directly with any USB device such as adapter, power bank, laptop. Say goodbye to the trouble of constantly replacing batteries. Power Indicator automatically turns to red light to remind you to charge in time, avoid the hassle of unexpected shutdown.【BLACKLIGHT FLASHLIGHTS READY FOR YOUR NEED】It’s a needed multifunctional black light in your life !-- Detect pet/cat/dog urine stains, detect cat ringworm, resin curing, find scorpions, find tomato hornworms, detect bed bug, inspect fluorescing rocks/mineral/gem/amber/jewelry/uranium glass, blood tracking, AC leak detection, detect fluorescent agent, clean bathroom/hotel, verify banknote, painting.【ALUMINUM ALLOY & HIGH QUALITY WOODS LAMP】365nm flashlight is made of aviation grade aluminum alloy, anti drop and shatter-resistant, so you don't need to worry about dropping and damaging it. black light flash light with IPX5 waterproof performance and heat dissipation performance, and perform reliably under any condition.