【HIDDEN USB CHARGING PORT】--Unscrew the back cover then plug directly into any USB devices such as computer, mobile power and mobile phone charger. Say goodbye to constantly replacing alkaline batteries-SAVE MONEY and ENVIRONMENTAL PROTECTION.<br>【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 mark the pet's urine. The body is made of strong and long lasting aluminum alloy body. 【NOTE】: Your satisfaction is very important, if you have any questions, please contact , we Support 180-day free refund.<br>【365NM INVISIBLE ULTRAVIOLET LIGHT】--365nm ultraviolet light is invisible to the naked eye, so that it is not as BRIGHT as the 395nm flashlight, but better for detection of high demand like fluorescent agents & security code. Warm tips: Please clear your needs before ordering.<br>【MULTIFUNCTIONS & WATER-RESISTANT】-- The UV can reveal the stains or fluids which are invisible to the naked eyes on the floor or even grass. such as detecting counterfeit documents, money verification, amber and jewelry detection, pet urine and stain detection Nothing at all if it drops into the water accidently, still work even in heavy rains. The great one for both indoor/ outdoor use.<br>【TINY & SUIT FOR ALL SURFACES】-- Lightweight and handy. Easily put into pocket, backpack, toolbox and your car-SAVE SPACE. It works well on all kinds of surfaces in your living room, kitchen, bathroom, bedroom, garage and your car. Point out hidden nasty spots around you anytime and anywhere.