Hateli&reg;UV Flashlight Urine Detector - Professional Quality Ultra Bright Stain Finder - 12 UV Blacklight LEDs in Aluminium Casing for Detecting Dry Pet Dog-Cat-Rodent Urine Stains on Carpet, Rugs, Curtains & Furniture Fabrics That are Otherwise Invisible to the Human Eye,12 LED UV Light & (3) AAA Alkaline Batteries Included Strong in UV, but not strong in visible light 12 LED UV Light, each LED is rated at 11,000-13,000mcd Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof. Waterproof, suitable for outdoor environment, adverse weather conditions,The body of this flashlight is built of high quality aluminum alloy, and it has a very solid construction Pinpointing Stains Therefore Requiring the Use of Cleaning