TaoTronics Black Light, 12 LEDs 395nm UV Blacklight Flashlights Detector for Dry Pets Urine and Stains with 3 Free AAA Batteries Find invisible stains: TaoTronics UV flashlight helps detect food stains and pet urine stains on rugs, carpets, and clothes that are otherwise invisible to the naked Eye. Not work well on cat urine Versatile use: authenticate currency and official documents like drivers licenses or identify unwanted whitening agent in cosmetics High power batteries included: start spotting stains right away with 3 long-lasting AAA in the package Durable, high-quality lads: The 12 tenacious UV light LEDs have a lifespan of 15 years Ultra-compact design: the pocket-size UV flashlight can be carried along to detect stains in your car or illuminate minerals, body art