Jelly Comb Black Light Flashlight UV Urine Detector - 12 UV LED Lights Make It Easy to Locate Pet Dog, Cat or Rodent Urine Stains - Ultra-Bright Blacklight Stain Finder - The Best Ultra Violet Flashlight to Find Stains on Carpet, Rugs or Furniture Material - Takes 3 X AAA Batteries (NOT Included) Ultra bright LEDs make urine spots GLOW IN THE DARK, so you can easily catch them, works on ANY SURFACE including carpet, upholstery, concrete, tile, sheet rock and more Pinpoint the areas you need to clean, SAVE TIME & MONEY from cleaning the entire floor Remove the trace of urine, so your pet WILL NOT BE ATTRACTED to the same place again Constructed of quality materials for your satisfaction - Our UV flashlights are constructed of only use the best materials. Takes 3 x AAA Alkaline Batteries(Not included).