Urine Gone gets rid of urine stains and odors caused by cats and dogs. Locate and eliminate pet stains and smells with Urine Gone. Just spray it on and let it dry, fast acting enzyme action attacks urine and other odor causing matter and eliminates their stains and odors. Urine Gone also helps prevent dogs and cats from re-marking their territory. And it's safe to use in pet areas and anywhere around your house. The Urine Gone system comes with a black light stain detector.