12-LED UV Black Light Pet Urine Stain Detector Flashlight Ultraviolet Stain Finder Detect dry urine stains -- Easily find cat, dog and rodent urine stains. Detect blood, vomit and feces. Quick and easy clean up -- don't waste time and effort trying to find stains you can't see. 12 LEDs make it extra bright. Wrist strap included for your convenience.