Fronnor 21 LED Flashlight UV Light Portable Ultraviolet Blacklight Handheld Torch Light Urine,Stain Detector With simple waterproof function, but can not be put into the water This flashlight is made of high quality aluminum alloy, and it has a solid construction UV can be used to detect fluorescent substances, wavelength 395-410nm UV to detect blood fingerprints and other body fluids, and shot residue detecting Applications : Great for checking notes, credit cards, fluorescent inks (invisible inks), cracked glassware, or even crime scene 100% Brand New and High Quality. 21 LED UV light; long service life. Light weight and with a strap, easy and convenient to carry. New LED bulbs are more durable and low in battery consumption Simply 1 switch mode lighting effect design,tough body made of aluminum alloy Perfect for scorpions tracking, authenticate currency, driver license, official identification cards, passports. medical devices. disinfection sterilization. ink curing. Metal crack, crack detection. photocatalyst, light detection. money detect detector device anti-fake detection medical measurements and biometric security testing hydraulic leak According to Amber, arresting scorpions, and examination of tickets. Passport, credit card, identity card animal urine test.fluorescent powder, phosphor agent detection. Ore, jewelry, jade detection Paper towels, facial mask, cosmetic, children&#039;s toys, books, clothes. Material: Aluminum alloy Color: Black Length: 98mm Diameter: 28mm Head Diameter: 35mm Wavelength: 395 nm Switch: Tail-cap (ON/OFF press button) Emitter Type: 21UV LED Emitter Color: Purple Battery: 3 x AAA Batteries (Not included)