??MULTI-FUNCTIONAL HANDHELD TOOL?? The UV light can make the usual fluorescent materials glow: Highlight cat pee, stains or fluids on the floor or even grass; Detect cat ringworm, counterfeit documents; Verify banknote, driver license, official identification cards, passports; AC leak detection with dye; Activate glow-in-the dark makeup, invisible ink, scorpions, uranium / Radioactive glass; Also good at amber and jewelry detection, 3D printing resin curing, Plant worms Exposure. ??PORTABLE & SUIT FOR ALL SURFACES?? SAVE SPACE - Lightweight and handy design for easy operation in the palm. Easily clipped to your belt, pocket, backpack, and toolbox. It works well on all kinds of surfaces in your living room, kitchen, bedroom, bathroom, garage and your car. Point out hidden nasty spots around you anytime and anywhere. Nothing at all if it drops into the water accidently, still work even in heavy rains. Good job for both indoor/outdoor use. ??FOCUS ADJUSTABLE & WITH HIGH QUALITY DESIGN?? Zoom in/ out to adjust suitable light range. Enlarge the beam to circle the suspected area and narrow down to track suspicious odor, NO need to walk around or bend frequently. Well made of durable and long lasting aluminum alloy. ?180-DAY SERVICE PROMISE?Once you have any problem, please ask us directly for satisfying solution, DARKDAWN will be responsible for your dissatisfaction (refund/replacement service). ??HIGH POWER & USB-C CHARGE?? The small but powerful blacklight can work continuously for 6-8 hour. Power Indicator – Automatically turns to RED light to remind you to charge in time, avoid the hassle of unexpected shutdown. The Type-C charging port makes it more convenient and efficient to get fully charged (in 3-4 hours) directly via any USB devices such as laptop, power bank, adapter. Say goodbye to constantly replacing battery, SAVE MONEY & IMPROVE ENVIRONMENTAL FRIENDLINESS. ??INVISIBLE 365NM ULTRAVIOLET LIGHT?? The 365nm ultraviolet light is invisible to human's eyes, so that looks not as BRIGHT as the 395nm light, but more perfect for demanding detection like fluorescent agents & security code (will detect more efficiently in darker environments). NOTE: Please clear your needs before ordering.