XINXU Spot invisible stains: UV flashlights help detect food stains and pet urine stains on carpets, rugs and clothing that are invisible to the naked eye. Not suitable for cat urine Multipurpose use: Verify currency and official documents such as driver's licenses or identify unwanted whitening agents in cosmetics Great for outdoor use such as finding scorpions and minerals Should be used with 3 AA standard alkaline batteries (not Batteries included) Use together Durable, high-quality lads: 51 tough UV LEDs have a 15-year lifespan Ultra-compact design: pocket-sized UV flashlight can be carried anywhere to detect stains in the car or illuminate minerals, human body Art Binding: Tools and Home Improvement Details: 51 LEDs Black Light UV Urine Detector Tips for Finding Your Fur Kid Urine Stains on Carpets When you smell your fur kid toileting on a rug or hard floor, you How frustrating would it be but just not find a place? 51 LED Black Light Urine Tester Can Help How does a black light flashlight solve your problem? Makes it visible to the human eye by fluorescing dry urine, face or vomit. Find exactly where to put the enzymatic cleaner to remove urine quickly and accurately every time. Flashlights do not fluoresce into wet urinals or bedpan pads. Made of high quality materials, strong, durable and long lasting - 51 powerful UV LED bulbs for a powerful, consistently bright beam.Quantity delivered: 1 piece.