#1 UV Flashlight Bywabee, Stain & Urine Detector is our Best Handheld Ultra Violet Flashlight to Find Pet Stains. Our Incredibly Bright LED Portable Ultraviolet BlackLight Flash Lights are Ideal to Find Cat, Dog or Rodent Urine Stains. Perfect to Use as a Counterfeit Bill Detector 3 x AAA Batteries Included - Lifetime Guarantee