CrazyFire 51 LED 395NM UV Flashlight Torch, Pets/Dogs/Cats Dry Urine Stains Detector Ultra Violet Odour Stain Remover Fluorescent Whitening Agents Detector Find Stains on Carpets, Footcloths, Rugs, Floor, Sofa This flashlight has 51 pcs LED lamp beads of 395nm wavelength. This large UV flashlight with 51 UV LEDs allows you to cover a much bigger area without losing the intensity. Perfectly for detecting Pets/Dogs/Cats Dry Urine Stains on Carpets, footcloths, rugs, floor, sofa, for finding scorpions, authenticating currency, driver license, official identification cards,passports, and for inspecting cosmetics fluorescent agent, jade. Rugged, machined aluminum construction with knurled design. 1 mode, powered by 3 x AA batteries (batteries not included in package), makes semen stains and other bodily fluids fluoresce.