12 LED UV ultra violet Black Light Flashlights torch light, urine/stain detector,Silver Emits 395nm UV (Ultra Violet) , can detect fluorescence marks/stains clearly. Suitable for checking notes, ID / passport &credit cards, fluorescent inks (invisible inks), cracked glassware, or even crime scene. Suitable for pet urine, pests, scorpions detection, keeping your environments clean and save to live in. Suitable for fluorescence content detection, you can check if your mask or beauty products is save to use with. 12 395nm led bulbs can reach to wide range.