UV Flashlight , TopLiok Stain Detective Finder 12 LED BlackLight Pet Urine Odor Stain Detector 1.Great for checking notes, credit cards, fluorescent inks (invisible inks), cracked glassware, or even crime scene. 2.Dried pet urine can glow in the dark under the Stain detective finder blacklight. 3.With this stain detective finder in your hand, you can find your pets stain and clean it quickly without efforts 4.Can save you countless hours and numerous dollars, no need to steam clean the entire carpet. 5.Power Support: 3X AAA battery(Not Include)